Originally Posted by ED9man
I dont get rear foglights
found mostly on EDM (euro spec cars.) where there may be heavy fog on highways and streets. either the one side of the taillamp is brighter than the other or there is a separate red lamp that stays lit to warn other cars that you are in the proximity.
most of these features can be from from the factory on BMW, Mercedes, Audis and other European cars. to us...it just looks like a frozen brake light on one side.