Australian driver Mark Webber has admitted his Red Bull team used the practice sessions for Monday's Brazilian Grand Prix to test parts for their 2012 car.
Webber's team-mate and recently crowned double champion Sebastian Vettel's record-breaking year has helped the Milton Keynes-based outfit to secure their second consecutive constructors' title - so they can take advantage of the dry conditions at Interlagos to test potential parts for their 2012 car.