2. On your radio unit press and hold the "AS" button for about a minute.
3. When the display reads "[ENTERCODE]", enter your four digit radio code.
4. If you don't know your radio code, your car manual should have it listed as well as the Volkswagen dealership.
5. Press and hold the "AS" button again to confirm the code.
6. Your Volkswagen's radio should be unlocked!