If you have the radio unlock code, follow these instructions to unlock your VW Bose Radio:

1. Simultaneously press SEEK and < SCAN (the lower of the SCAN buttons) until 1000 appears on the radio screen. (Note: There is no single SCAN button on the radio.)
2. Input your unlock code using the radio preset buttons.
d) When your finished inputing your volkswagen radio unlock code press the SEEK and < SCAN buttons simultaneously until the display changes, then let go of the buttons, and after a few seconds, your radio should be functional.

Hope this helps. Good luck.