What to Do If You Lose Your Audi Key It can be expensive to replace lost keys. Luckily, with a few easy steps, you can avoid expensive replacement costs and expensive towing fee. First, check to see whether you have an extra. If you don't have a spare key, check https://g2868197.rimmablog.com/29609252/audi-a3-key-replacement-tips-from-the-best-in-the-business