Advantages of the Audi Advanced Key System Audi offers a range of features that make time behind the wheel even more comfortable. One of these is the advanced key system. It works via proximity sensors located in trunk lids and door handles, and is paired with key radio pulse generators. https://autolocksmiths65351.daneblogger.com/29298079/ten-audi-a3-replacement-key-myths-you-shouldn-t-share-on-twitter