How Smart Are Audi Replacement Car Keys? If you lose your Audi car keys, it's difficult to find an experienced locksmith who can help you replace the keys. It is essential to select a professional that knows how to work with the unique technology Audi uses in their smart keys. https://carlocksmith43789.blogsvila.com/29940017/15-best-pinterest-boards-of-all-time-about-audi-a4-car-key-replacement