The Audi Convenience Key and Audi Advanced Key If you're looking to avoid digging through your pockets for keys for your car The Audi convenience key is the solution. It's a system for access and authorization that's available for certain Audi models that have the WB3 Comfort and Sound package. https://car-locksmith29080.bloggerswise.com/36529589/five-audi-a1-key-replacement-lessons-from-professionals