 Buemi locked his rear tyres at the turn six hairpin after going onto some dirt, and oversteered into the barrier six minutes in, causing superficial damage to his car's steering.Heidfeld hit the turn ten barrier while on his maximum power lap and Maro Engel slid onto the turn two run-off area.Yellow flags were waved with five minutes left when Mortara stopped his car on track at the second turn and ended all competitive running in the session.