What to Do If You Lose Your Audi Key It can be costly to replace keys lost. With a few simple steps you can avoid costly replacement costs as well as a significant towed charge. First, make sure you have a spare key. If you don't have a spare key, https://g28-car-keys75273.blogmazing.com/29516819/what-is-audi-a3-key-replacement-and-why-is-everyone-talking-about-it