• Red Bull driver Sebastian Vettel, second from right, of Germany leads the field into the first turn for the start of the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Darron Cummings)

  • Red Bull driver Sebastian Vettel, front left, of Germany leads the field away from the starting grid for the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)
  • Red Bull driver Sebastian Vettel of Germany leads the field into the first turn for the start of the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)
  • Red Bull driver Sebastian Vettel of Germany leads the field into the first turn for the start of the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)
  • Red Bull driver Sebastian Vettel of Germany leads his teammate, Red Bull driver Mark Webber of Australia and McLaren Mercedes driver Lewis Hamilton, right, of Britain into the first turn during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Luca Bruno)
  • Red Bull driver Sebastian Vettel, right, of Germany, steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/David J. Phillip)
  • Red Bull driver Sebastian Vettel of Germany steers his car into the first turn for the start of the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)
  • Red Bull driver Sebastian Vettel, of Germany, leads his teammate Red Bull driver Mark Webber, of Australia, into a turn during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/David J. Phillip)
  • Ferrari driver Fernando Alonso of Spain steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Darron Cummings)
  • McLaren Mercedes driver Lewis Hamilton of Britain gets a pit service during the Formula One U.S. Grand Prix auto race, at the Circuit of the Americas race track, in Austin, Texas, Sunday, Nov. 18, 2012. (AP Photo/Luca Bruno/Pool)
  • Fans watch the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. McLaren Mercedes driver Lewis Hamilton of Britain won the race. (AP Photo/Eric Gay)
  • Red Bull driver Sebastian Vettel, of Germany, steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. McLaren Mercedes driver Lewis Hamilton of Britain won the race and Vettel finished second. (AP Photo/David J. Phillip)
  • Sauber driver Sergio Perez, of Mexico, steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)
  • Red Bull driver Sebastian Vettel of Germany gets a pit service during the Formula One U.S. Grand Prix auto race, at the Circuit of the Americas race track, in Austin, Texas, Sunday, Nov. 18, 2012. (AP Photo/Luca Bruno/Pool)
  • Mercedes Grand Prix driver Michael Schumacher, of Germany, steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)
  • Ferrari driver Fernando Alonso of Spain steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/David J. Phillip)
  • Red Bull driver Sebastian Vettel, of Germany, steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. Vettel finished second. (AP Photo/Eric Gay)
  • Fans watch the first Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. McLaren Mercedes driver Lewis Hamilton of Britain won the race.(AP Photo/David J. Phillip)
  • Red Bull driver Sebastian Vettel, left, of Germany, steers his car during the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/David J. Phillip)
  • Ferrari driver Fernando Alonso of Spain gets a pit service during the Formula One U.S. Grand Prix auto race, at the Circuit of the Americas race track, in Austin, Texas, Sunday, Nov. 18, 2012. (AP Photo/Luca Bruno/Pool)
  • McLaren Mercedes driver Lewis Hamilton of Britain takes the checked flag to win the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Luca Bruno)
  • McLaren Mercedes driver Lewis Hamilton of Britain points to his helmet after winning the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Darron Cummings)
  • McLaren Mercedes driver Lewis Hamilton, of Britain, holds the trophy after winning the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/David J. Phillip)
  • Red Bull driver Sebastian Vettel, right, of Germany and Ferrari driver Fernando Alonso, of Spain, react after the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. Vettel finished second and Alonso finished third. (AP Photo/Luca Bruno)
  • McLaren Mercedes driver Lewis Hamilton, middle, of Britain, Red Bull driver Sebastian Vettel, left, of Germany, and Ferrari driver Fernando Alonso, of Spain, drink champaign on victory podium after the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. Hamilton won the race, Vettel finished second and Alonso finished third. (AP Photo/Luca Bruno)
  • McLaren Mercedes driver Lewis Hamilton, left, of Britain, sprays champaign after winning the Formula One U.S. Grand Prix auto race at the Circuit of the Americas Sunday, Nov. 18, 2012, in Austin, Texas. (AP Photo/Eric Gay)