Advantages of the Audi Advanced Key System Audi has a number of features for convenience that make the time behind the wheel even more comfortable. One of these features is the aforementioned key system. It works by using proximity sensors located in the lids of the trunk and door handles, https://autolocksmiths27876.luwebs.com/30593613/20-things-only-the-most-devoted-audi-a3-replacement-key-fans-should-know