Car Key Replacement Tips For Your Audi Q7 Many people have lost their keys at some time or another. The key fob on an Audi is handy for Virginia Beach drives but the battery will eventually degrade. A replacement key from an Audi dealer can cost from $280 to $475, https://car-locksmiths21011.blogars.com/29104251/audi-a4-car-key-replacement-explained-in-less-than-140-characters