How to Save Money on Audi Battery Replacement Do you find that your Audi key fob experience difficulty locking and unlocking? This may be a sign that the battery must be replaced. To replace the battery, simply open the metal key with an flathead and then open the back cover https://autolocksmiths30107.fitnell.com/70592940/the-not-so-well-known-benefits-of-audi-a4-spare-key