Hi Writer
Here is a link to the VAG-COM procedure if you know someone with a VAG-COM:
http://www.vaglinks.com/Docs/Misc/Ro...rval_Reset.pdf
If not, you can do what AAudiA6 suggested by following these instructions:
http://www.vaglinks.com/Docs/Audi/C5...vice_Reset.pdf
Hope that helps
Cheers
Massboykie