VAG-COM-FAQ-4.9
From Ross-Tech Wiki
4.9 What kinds of cool stuff can I do with VAG-COM?
See our Car Info & Procedures Page. You can look up Vehicle Specific Application Charts for your car to see which control modules exist and can communicate with VAG-COM. Additionally, there are some very useful links to pages about Key Matching, Immobilizers, as well as some excellent spreadsheets submitted by our customers.