You need at least one jacket for the driver in case he has problem and has to step out of the car, but it wont be a bad idea to take two with you. You also have to carry 2 red reflecting tringles, that have to be set at 100 meters from the car in case you have car trouble to advise other drivers. However I do not know if this applies also to temp Europeanvisistors, although I guess it does. I am not sure if it is obligatory to carry a fire stinguisher, replacement bulbs, and a first aid kit anymore, I don't think so. - Julio.