Brawn GP Formula One driver Jenson Button of Britain drives during the qualifying session of the Turkish F1 Grand Prix at the Istanbul Park racetrack June 6, 2009. Germany's Sebastian Vettel put Red Bull on pole position for the Turkish Grand Prix on Saturday after pushing Formula One championship leader Button off his pedestal. Button's Brawn GP team mate Rubens Barrichello qualified third for Sunday's race with Red Bull's Australian Mark Webber completing the second row. REUTERS/Pascal Lauener (TURKEY SPORT MOTOR RACING)