Jenson Button aims to build momentum for 2012 season

McLaren's Jenson Button says he wants to finish the current season with as many wins as possible so he can carry momentum into the 2012 season.

The British driver admits that his year has been mixed, but he believes he has found "a balance" in his car, and he is improving.

Button also comments on his rivalry with team-mate Lewis Hamilton and the competition with Red Bull and Ferrari.

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Formula 1