Vag-Com is indeed diagnostic software, the free version from the rosstech website will do you fine, you'll need a dirty cheap
USB cable for it from eBay or a local mate who has it already. I've heard it is a failure to have airbag light on yes, not bothered to read the online manual for the MOT stuff, I plan to get mine working as it does focus your road-sense a little when you know it's ...