Miscellaneous Body System Reset Procedures: Notes
WARNING: This page is about a different car, the 2003 Audi allroad, 2003 Audi TT, 2003 Audi S6, 2003 Audi A6, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When battery is disconnected, radio will go into anti-theft protection mode. Obtain radio anti-theft protection code from owner prior to servicing vehicle.