I think we have all done this. You are in a convoy following a car without having a clue where you are and the car in front goes through the lights and they turn red on you. Do you stick your foot down or stop for the red light? This happened to me in Londown with Lights on the Camera so I stopped and got completely lost - the one occassion I didn't have my sat nave with me. Then we ended up in a rough part of London which was twinned with Iraq! SCARRREEEY!!!