Advantages of the Audi Advanced Key System Audi offers a variety of features that make the time behind the wheel more enjoyable. One of these is the advanced key system. It operates through proximity sensors located in trunk lids and door handles, and is paired with key radio pulse generators. https://g2868197.rimmablog.com/29390721/could-audi-a3-replacement-key-be-the-key-to-dealing-with-2023