The Audi Convenience Key and Audi Advanced Key If you'd like to avoid going through your pockets to find keys for your car, the Audi convenience key is your solution. It's a method of authorization and access available for certain Audi models that have the WB3 Comfort & Sound package. https://g28-car-keys05395.digitollblog.com/29800557/why-audi-a1-key-replacement-is-more-difficult-than-you-imagine