The Audi Convenience Key and Audi Advanced Key If you want to avoid going through your pockets to find keys for your car, the Audi convenience key is the solution. It's an authorization and access system that is available through the WB3 Comfort and Sound package on specific Audi models. https://auto-locksmith92176.onesmablog.com/10-ways-to-build-your-audi-a1-key-replacement-empire-70182707