His need for extra time away from the track reflects on the fierce battle he had with McLaren's Kimi Raikkonen and the Williams-BMW of Juan Pablo Montoya before claiming his historic title in Suzuka.
Renault, fourth last year, and Williams both launch their cars at that test on Monday, while BMW Sauber - third overall in 2008 - have chosen the Valencia track in Spain for the first public appearance of their new model.