...of the rear of your vehicle? ...what should you do ?
1) move over and let him overtake ?
2) continue on the same course and speed ?
3) slow down gradually and speed up in the hope he will back off ?
4) slow down gradually to a complete stop, get out of the car and spit on his windscreen and scream 'you f*cking wantsum' ?
5) tighten your seat belt, check your insurance policy and slam on the brakes ?
Source: 4 rings in your rear view mirror
J - you obviously dont drive on the M1, M2, M3 etc etc