Staff members of Ferrari works on driver Fernando Alonso's car in Sao Paulo, Brazil, Nov. 22, 2012. The final round of this year's F1 Grand Prix will be held this weekend in Sao Paulo. (Xinhua/Agencia Estado)
Red Bull Formula One driver Sebastian Vettel of Germany prepares for the race in Sao Paulo, Brazil, Nov. 22, 2012. The final round of this year's F1 Grand Prix will be held this weekend in Sao Paulo. (Xinhua/Agencia Estado)
Ferrari Formula One driver Fernando Alonso of Spain prepares for the race in Sao Paulo, Brazil, Nov. 22, 2012. The final round of this year's F1 Grand Prix will be held this weekend in Sao Paulo. (Xinhua/Agencia Estado)
Mercedes Formula One driver Michael Schumacher of Germany prepares for the race in Sao Paulo, Brazil, Nov. 22, 2012. The final round of this year's F1 Grand Prix will be held this weekend in Sao Paulo. (Xinhua/Agencia Estado)