Williams have confirmed that they will unveil their 2013 car, the FW35, in the Barcelona pit lane on the opening day of the second pre-season test.
The outfit took the decision to delay its launch in order to gain data on the new Pirelli tyres with its 2012 car.
Last week it confirmed the new chassis had passed all the mandatory FIA crash tests, therefore giving them the go ahead to attend the second test.
The car will be presented to the media by Pastor Maldonado, Valtteri Bottas and test driver Susie Wolff at 08:30 local time.
