What to Do If You Lose Your Audi Key It can be costly to replace lost keys. Luckily, with some simple steps you can steer clear of high replacement costs and a expensive towing fee. First, make sure you have a spare key. If not, search in obvious places like https://carlocksmith56198.blogpostie.com/52339205/this-is-a-guide-to-audi-a3-key-replacement-in-2023