Many Volkswagen model radios have atheft feature that is enabled when battery power is lost. If “SAFE is displayed this article will help you enter code to unlock radio. Radio code is located on radio code card in owners manual or through an authorized Audi dealer.

The following article, located on our tech site, shows how to enter the code when SAFE is displayed.

Radio Code Entering – Volkswagen https://wiki.bentleypublishers.com/x/A4AGB