Car Key Replacement Tips For Your Audi Q7 Most people have misplaced their keys at some point. The key fob of an Audi is ideal for Virginia Beach drives but the battery can eventually wear out. A replacement key purchased from an Audi dealer can cost between $280 and $475. https://carlocksmith79505.bloggactif.com/30681682/audi-a4-car-key-replacement-it-s-not-as-difficult-as-you-think