hi
my battery ran out when i was working on my 99 audi a6 quattro.sadly my radio went on to safe mode.i have a concert stereo.i know how to enter the code but i have no code and the dealer wants 50$ to get da code.please help me.is there any way to decode this?if so what information do you need?

thanks

kushan

 

I just got a 1999 A4 and have the same problem. Tried the code on the radio card and still wont work. Did the 1 hour wait thing that the booklet says but still does not work, any Audi mechanics here that can help us out? I have the SN of the radio.