Jenson Button is looking forward to the first F1 grand prix in Texas since earlier this year . Former world champion tells CNN the race is important for F1 's future development . But after three seasons as teammates neither driver has managed to win the title , and a Twitter row erupted in the aftermath of 2008 champion Hamilton 's announcement he will move to the German outfit in 2013 . Hamilton says he has good relationship with departing teammate Hamilton . Button criticized his fellow Englishman on Twitter earlier this year .
Jenson Button is looking forward to the first F1 grand prix in Texas since earlier this year . Former world champion tells CNN the race is important for F1 's future development . Hamilton says he has good relationship with departing teammate Hamilton . Button criticized his fellow Englishman on Twitter earlier this year .