Jenson Button set the fastest time of the Saturday morning session in Brazil, just beating Sebastian Vettel and Mark Webber, while Lewis Hamilton was fourth fastest by a fraction, ahead of Romain Grosjean’s Lotus, the Force Indias of Paul di Resta and Nico Hulkenberg. The Ferraris and Williamses were all mixed up with Fernando Alonso ahead of Pastor Maldonado, Felipe Massa and Bruno Senna. Nico Rosberg was the faster of the two Mercedes, ahead of the two Saubers, with Sergio Perez ahead of Kamui Kobayashi, and Michael Schumacher behind them. Then came the two Toro Rossos, thetwo Caterhams, the two Marussias and the two HRTs. Kimi Raikkonen was at the back having done only three laps before an engine failure.