Advantages of the Audi Advanced Key System Audi offers a range of convenience features that make the time behind the wheel more enjoyable. One of these features is the innovative key system. It works by using proximity sensors that are located in the lids of the trunk and door handles, https://carlocksmith20852.worldblogged.com/35689925/20-reasons-why-audi-a3-replacement-key-will-never-be-forgotten