The Audi Convenience Key and Audi Advanced Key If you're looking to avoid digging through your pockets for a physical car key, the Audi convenience key is your solution. It's an authorization and access system that can be accessed via the WB3 Comfort and Sound package on certain Audi models. https://car-locksmith73980.bloguerosa.com/29315638/audi-a1-key-replacement-101-the-ultimate-guide-for-beginners