What to Do If You Lose Your Audi Key It can be expensive to replace keys lost. Luckily, with some simple steps you can steer clear of high replacement costs and a hefty towing charge. First, make sure you have an extra key. If not, search in obvious places, like https://autolocksmiths74202.pointblog.net/how-to-tell-if-you-re-in-the-right-place-for-audi-a3-key-replacement-71461323