July 20, 2012

Martin Whitmarsh speaks to Sam Michael on the McLaren pit wall

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July 20, 2012

McLaren run measuring devices during the car's installation lap

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July 20, 2012

Jenson Button leaves the pits in the McLaren

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July 20, 2012

Jenson Button returns to the pits to be greeted by a number of McLaren engineers

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July 20, 2012

Jenson Button puts some mileage on McLaren's updates

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July 20, 2012

Lewis Hamilton on track in the updated McLaren

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