Advantages of the Audi Advanced Key System Audi offers a variety of convenience features to make driving more enjoyable. One of these features is the sophisticated key system. It works by using proximity sensors located in the lids of the trunk and door handles, paired with key radio pulse generators. https://g28-car-keys60472.bloguetechno.com/5-reasons-to-be-an-online-audi-a3-replacement-key-buyer-and-5-reasons-not-to-65212935