Volkswagen vehicles use an anti-theft security system that locks the radio if power is disconnected. This usually happens after a battery change, a blown fuse, or if the head unit is removed from the dashboard.
Across major automotive forums, the consensus on is overwhelmingly positive, provided you use a clean version.
: Many versions are compatible with Audi, Skoda, and SEAT systems. Step-by-Step Guide to Retrieving Your Code 1. Locate the Serial Number
