How to Save Money on Audi Battery Replacement Do you find that your Audi key fob experience difficulty locking and unlocking? This could indicate that the battery is in need of replacement. To replace the battery, you must open the metal key using a flathead and pop the back cover https://g2851229.total-blog.com/why-all-the-fuss-about-audi-a4-spare-key-55317782