How to Open a Audi Car When the Key Fob Wears Out Audi drivers can take advantage of luxurious features, including keyless entry. This is a convenient feature that is beneficial when driving through Winona with children or shopping gear. To work, these features you must have a working key https://g28carkeys96202.blogzet.com/comprehensive-list-of-audi-a4-spare-key-dos-and-don-ts-44870910