What to Do If You Lose Your Audi Key It can be costly to replace lost keys. With just a few steps you can avoid costly replacement costs and a substantial towing charge. First, make sure to check if you have an extra. If not, search in obvious places like https://car-locksmith29080.bloggerswise.com/36977989/what-s-the-reason-everyone-is-talking-about-audi-a3-key-replacement-right-now