FP3: Big crash for Hartley halts final practice

1:44Now Playing

FP3: Hartley suffers big crash after suspension failure

1:02Now Playing

Spanish Grand Prix FP3: Ocon crashes heavily in final practice

0:20Now Playing

FP3: Hartley hurtles down Turn 15 escape road​

0:43Now Playing

FP1: Hartley and Grosjean take trips through the gravel

0:15Now Playing

FP3: Traffic trouble sends Hartley the wrong way