All eyes will be on Heikki Kovalainen as he makes his triumphant return, filling in for Kimi Räikkönen at Lotus. The challenging Circuit of the Americas is a heck of a place to attempt a comeback, but thankfully there are three practice sessions for the Finn to get acquainted with the car. Reliability and tiredness are both starting to play their part in the season, so watch out for hints of either making their presence felt as the sessions unfold!