How to Save Money on Audi Battery Replacement Do you notice that your Audi key fob experience difficulty locking and unlocking? This may be a sign that the battery needs to be replaced. To replace the battery, simply open the metal key using a flathead and pop the back cover https://g2851229.total-blog.com/5-reasons-audi-a4-spare-key-is-actually-a-good-thing-55375668