 The detection point was located before the apex of the Turn 11 hairpin, with the activation point positioned after the Turn 11 apex, making the total DRS zone some in length.Sebastian Vettel was the fastest driver in both the opening practice sessions, setting a time a second and a half faster than Lewis Hamilton in the Friday morning session, and two seconds faster than title rival Fernando Alonso.The session was run without incident, though drivers reported that there was very little grip around the circuit.