) button or the button (depending on the exact software version) for 3 seconds.

Put the radio back into your VW, turn it on, and use the station preset buttons (1-4) or the rotary dial to input the code, then confirm it. Alternatives to Free Code Calculators

If you want, I can:

The radio will display "LEARN" and automatically return to your favorite radio stations. What if the Screen Says "SAFE 2"?