Get Some F**king Lights

that's what I'd use too, but I think that Greeks would interpret that as 'eat shit'. I have not yet come up with a better version though. Perhaps if you make a fist (the car) and then extend the index and little fingers to represent the beams of the headlights?

Whip your hair back and forth while you do this to indicate the whiplash injury that will occur after a crash is caused.