Hi i have a audi A4 don't know the exact b4 or b5 but it is a 2006 model 2L tdi but what i can't get fixed is my reverse sensors if i put it in reverse and turn on the car all 4 sensors does make a ticking sound but i don't hear the beep beep telling me I'm close to a object that part is quit and also i can't get my spare key to be programmed the key fob part tried youtube nothing
