Car Key Replacement Tips For Your Audi Q7 A majority of people have lost their keys at some point. The key fob on an Audi is convenient for Virginia Beach drives but the battery will eventually degrade. A replacement key from an Audi dealer could cost between $280 and $475. https://g28carkeys97431.gynoblog.com/29336597/the-10-scariest-things-about-audi-a4-car-key-replacement