Lack of DRS signal hampered di Resta

Force India says Paul di Resta's late chase of Nico Rosberg's Mercedes for sixth place in the Spanish Grand Prix was hampered by an external DRS problem. The team had to instruct di Resta when he could use DRS via the radio as he was not getting the automatic signals into his car. Deputy team chief Bob Fernley said it had been a complicated procedure.

Jeremy Allan Mayfield James Christopher McMurray Casey James Mears Juan Pablo Montoya Joseph Francis Nemechek III