hey guys,i think i've seen a thread for this but cant seem to find it. i have a 98 a4 w/ the concert bose system and i unhooked my battery and my radio is now in safe mode.i tried pressing rds&fm2 at the same time and i put in the code that i have found in my trunk twice but now im locked out. so what should i do now? i can really use any help you give me. i don't no whether or not the code is right and i dont want to pay $140 to a dealer to give me the code.