What to Do If You Lose Your Audi Key Lost keys are a big pain and can be very expensive to replace. With a few simple steps you can save yourself from costly replacement costs and a substantial towed charge. First, check to see if you have a spare key. https://g28-car-keys13069.blog-eye.com/29924275/audi-a3-key-replacement-tips-from-the-top-in-the-industry