Di Grassi attempted to pass Vergne around the outside driving towards turn seventeen on his first lap out of the pit lane .
The pair briefly made contact which led to di Grassi locking Di Grassi 's brakes and got sideways .
Di Grassi attempted to pass Vergne around the outside driving towards turn seventeen on his first lap out of the pit lane and the pair briefly made contact which led to di Grassi locking his brakes and got sideways .