Formula One world champion Sebastian Vettel has driven his new Red Bull car for the first time with the team saying they were on course to tick all the right boxes in pre-season testing at Jerez in Spain.
Spain's Fernando Alonso finally got his hands on his new Ferrari as well but the Italian team were far less happy with the data coming from the F2012 on day three at the southern Spanish track.
McLaren's Lewis Hamilton sounded cautiously optimistic after his first day of testing following team mate Jenson Button's stint in the car while Brazilian Bruno Senna marked his Williams debut by doing more laps than anyone else.
Germany's Nico Rosberg topped the timesheets in last year's Mercedes, with Frenchman Romain Grosjean second quickest in the new Lotus.
