In pictures - the best of Austin

Will Stevens (GBR) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing celebrates in parc ferme with Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

(L to R): Lewis Hamilton (GBR) Mercedes AMG F1, pole sitter Nico Rosberg (GER) Mercedes AMG F1 and Daniel Ricciardo (AUS) Red Bull Racing celebrate in parc ferme at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

(L to R): Lewis Hamilton (GBR) Mercedes AMG F1, pole sitter Nico Rosberg (GER) Mercedes AMG F1 and Daniel Ricciardo (AUS) Red Bull Racing celebrates in parc ferme at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso talks with the media at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 and Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

UBS signage and red lights at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Grid Girls at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Fans at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Pit lane at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Grid girls at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Drivers parade at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 in the drivers parade at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Will Stevens (GBR) Manor GP on the drivers parade at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari in the drivers parade at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads at the start of the raceas Nico Rosberg (GER) Mercedes AMG F1 W06 runs wide at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race retiree Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads at the start of the race at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 retires from the race at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium with champagne at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates in parc ferme at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 celebrates in parc ferme at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 crosses the line to win the race and the world championship at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium with the champagne at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Elton John (GBR) and Lewis Hamilton (GBR) Mercedes AMG F1 on the podium at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 celebrates on the podium at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium with Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari celebrates in parc ferme at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 celebrates on the podium with the cahmpagne at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 pit stop with broken front wing at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T with broken front wing at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

(L to R): Nico Rosberg (GER) Mercedes AMG F1, Paddy Lowe (GBR) Mercedes AMG F1 Executive Director (Technical), Lewis Hamilton (GBR) Mercedes AMG F1 and Sebastian Vettel (GER) Ferrari celebrate on the podium at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari and race winner Lewis Hamilton (GBR) Mercedes AMG F1 celebrate on the podium with champagne at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with his Race Engineer Peter Bonnington (GBR) at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with the team at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 celebrates at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 celebrates at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and New World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with Nico Rosberg (GER) Mercedes AMG F1 and the team at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Mercedes AMG F1 celebrates with the champagne at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 celebrates at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 celebrates at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 and Nico Rosberg (GER) Mercedes AMG F1 W06 battle for position at the start of the race at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Safety car leads out the field at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Race winner and new World Champion Lewis Hamilton (GBR) Mercedes AMG F1 celebrates with the team at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Podium celebrations at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 with rear puncture at the start of the race at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 and Will Stevens (GBR) Manor GP collide at the start of the race at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 leads Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 and Daniel Ricciardo (AUS) Red Bull Racing RB11 chase Nico Rosberg (GER) Mercedes AMG F1 W06 and Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Marshals clear debris from the track at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia and Sergio Perez (MEX) Force India VJM08 battle at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 with broken front wing at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 and Lewis Hamilton (GBR) Mercedes AMG F1 W06 battle at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Race, Austin, Texas, USA, Sunday 25 October 2015. © Sutton Motorsport Images
A selection of the finest images from round 16 of the 2015 FIA Formula One World Championship in the United States, starting with Sunday...
And from Saturday...

Wet pit lane at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Ferrari team in the rain at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Marshal waves a green flag at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams FW37 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India F1 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India with his trainer Xavi Martos (ESP) Trainer at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Marc Hynes (GBR) Marussia Driver Coach and Will Stevens (GBR) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India VJM08 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India F1 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus E23 Hybrid at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing and the grid girls at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Following the cancellation of Qualifying a message inviting fans into pit lane at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Carlos Sainz (ESP) and Jos Verastappen (NDL) at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 talks with Simon Lazenby (GBR) Sky TV at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Carlos Sainz jr (ESP) Scuderia Toro Rosso and Max Verstappen (NDL) Scuderia Toro Rosso with their Fathers Carlos Sainz (ESP) and Jos Veratappen (NDL) at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing and Daniil Kvyat (RUS) Red Bull Racing dance in pit lane at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Sauber mechanics with an improvised rowing boat in pit lane at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

The car of Sebastian Vettel (GER) Ferrari SF15-T in the garage and Ferrari mechanics at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

The car of Alexander Rossi (USA) Marussia in the garage at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Jos Verstappen (NDL) in the car of his son Max Verstappen (NDL) Scuderia Toro Rosso STR10 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd16, United States Grand Prix, Qualifying, Austin, Texas, USA, Saturday 24 October 2015. © Sutton Motorsport Images
And from Friday...

Sebastian Vettel (GER) Ferrari and Riccardo Adami (ITA) Ferrari Race Engineer at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari and Race Engineer Dave Greenwwod (GBR) at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 takes a selfie at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams with Antti Vierula (FIN) trainer at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

McLaren MP4-30 rear floor detail at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

McLaren MP4-30 rear wing detail at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Williams FW37 steering wheel at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Stoffel Vandoorne (BEL) McLaren at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 airbox at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India VJM08 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing Alpinestars gloves at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 rear detail at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Carlos Sainz (ESP) , Father of Carlos Sainz jr (ESP) Scuderia Toro Rosso and Jos Verstappen (NDL) Father of Max Verstappen (NDL) Scuderia Toro Rosso at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Sebastian Vettel (GER) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams FW37 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 and Simon Cole (GBR) Mercedes AMG F1 Chief Track Engineer at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Raffaele Marciello (ITA) Sauber C34 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Raffaele Marciello (ITA) Sauber Test and Reserve Driver at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Rain at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Rain in the paddock at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Will Stevens (GBR) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Rain at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 and Giselle Zarur, Canal F1 Latin America Reporter at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Attention signage at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Heavy rain in the paddock at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Rain in the Paddock at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren, Dave Redding (GBR) McLaren and Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Christian Horner (GBR) Red Bull Racing Team Principal in the Press Conference at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Matthew Carter (GBR) Lotus F1 Team CEO in the press conference at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

(L to R): Matthew Carter (GBR) Lotus F1 Team CEO, Dr. Vijay Mallya (IND) Force India Formula One Team Owner, Dr Helmut Marko (AUT) Red Bull Motorsport Consultant, Christian Horner (GBR) Red Bull Racing Team Principal and Eric Boullier (FRA) McLaren Racing Director in the press conference at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Daniil Kvyat (RUS) Red Bull Racing RB11 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Guenther Steiner (ITA) Haas F1 Team Prinicipal and Romain Grosjean (FRA) Lotus F1 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 W06 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 September 2015. © Sutton Motorsport Images

Jenson Button (GBR) McLaren MP4-30 at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 September 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari SF15-T at Formula One World Championship, Rd16, United States Grand Prix, Practice, Austin, Texas, USA, Friday 23 September 2015. © Sutton Motorsport Images
And from Thursday...

Red Bull Racing RB11 bodywork detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Williams FW37 nose detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Flag at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Williams mechanic with Pirelli tyres at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Paddock at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Force India VJM08 bodywork and aero detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Grandstand view at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Satefy Car at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Scuderia Toro Rosso STR10 bodywork, nose and front wing detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Track view at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Circuit of the Americas electronic signage board at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

Circuit of the Americas Signage at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Wednesday 21 October 2015. © Sutton Motorsport Images

(L to R): Marcus Ericsson (SWE) Sauber, Valtteri Bottas (FIN) Williams, Daniel Ricciardo (AUS) Red Bull Racing, Kimi Raikkonen (FIN) Ferrari, Lewis Hamilton (GBR) Mercedes AMG F1 and Alexander Rossi (USA) Marussia in the Press Conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing in the Press Conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari in the Press Conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 in the Press Conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Daniel Ricciardo (AUS) Red Bull Racing in the Press Conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia in the press conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Valtteri Bottas (FIN) Williams in the press conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Kimi Raikkonen (FIN) Ferrari at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Marcus Ericsson (SWE) Sauber in the press conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Ferrari SF15-T front wing detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Force India F1 mechanic works on Force India VJM08 front wheel hub at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Wheel nuts at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia in the press conference at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Sergio Perez (MEX) Force India at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Ferrari SF15-T rear wheel hub detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Williams FW37 rear wing at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Main straight at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

First corner at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Main straight at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Pirelli tyres at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Pastor Maldonado (VEN) Lotus and Romain Grosjean (FRA) Lotus E23 Hybrid walk the track with the team at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Track view at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Felipe Nasr (BRA) Sauber at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Felipe Massa (BRA) Williams at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 talking to the media at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Nico Hulkenberg (GER) Force India F1 at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Williams mechanic and Williams FW37 front wing at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Nico Rosberg (GER) Mercedes AMG F1 and young fan at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Guenther Steiner (ITA) Haas F1 Team Prinicipal at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 airbox detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Lewis Hamilton (GBR) Mercedes AMG F1 signs autographs for the fans at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 bodywork at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Viewing tower at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Fernando Alonso (ESP) McLaren at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 front wing detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Mercedes AMG F1 W06 front wing detail at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Alexander Rossi (USA) Marussia at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images

Grid girls at Formula One World Championship, Rd16, United States Grand Prix, Preparations, Austin, Texas, USA, Thursday 22 October 2015. © Sutton Motorsport Images
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