February 24, 2012

Mark Smith in the Caterham garage

© Sutton Images

February 24, 2012

A Caterham mechanic checks tyre pressures

© Getty Images

February 24, 2012

Ross Brawn on the Mercedes pit wall

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February 24, 2012

Pastor Maldonado exits the pit lane in the Williams FW34

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February 24, 2012

Nico Rosberg flashes past the Mercedes pits on Friday

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February 24, 2012

Pastor Maldonado brakes for the chicane

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February 24, 2012

Kamui Kobayashi tackles the final corner

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February 24, 2012

Martin Whitmarsh in the McLaren garage

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February 24, 2012

Daniel Ricciardo keeps an eye on the progress of team-mate Jean-Eric Vergne

© Sutton Images

February 24, 2012

Nico Rosberg goes round the outside of Pastor Maldonado

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February 24, 2012

Jenson Button speeds towards turn 10 late in the day

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February 24, 2012

McLaren mechanics arrive at Jenson Button's stricken MP4-27

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February 24, 2012

Jean-Eric Vergne hits his marks outside the Toro Rosso garage

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February 24, 2012

Jenson Button listens to music and tries to keep warm in the paddock

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February 24, 2012

Felipe Massa speeds past the main grandstand at the Circuit de Catalunya

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February 24, 2012

Nico Rosberg begins another lap

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February 24, 2012

Mark Webber is instructed to come in at the end of the lap by his pit board

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February 24, 2012

Ross Brawn keeps an eye on proceedings from the pit wall

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February 24, 2012

Kamui Kobayashi heads out on supersoft tyres

© Sutton Images

February 24, 2012

The new Marussia-liveried Carlin GP2 car

© Carlin