German law requires that all automobiles have a portable red reflective triangle and a first aid kit (DIN number 13164) in their trunk. If a car is stopped for any reason, the triangle must be placed 200 meters behind it if on the autobahn and 100 meters behind it on all other roads. The car's emergency flashers should also be turned on. Also required are reflective vests, there should be enough for each person riding in the car.
ADAC (German Auto Club - $.06 per call) 01802-22-2222
Information Call ($.14 per call) 0180-510-1112