Input (grade 13): On December 14, 2007, it was confirmed that Heikki Kovalainen who drove for Renault in 2007 would drive the second car for McLaren-Mercedes for the 2008 Formula One season alongside Hamilton.
Output (grade 9): In January 2008, Hamilton signed a new five-year contract to stay with McLaren-Mercedes until the end of the 2012 season.