How to Save Money on Audi Battery Replacement Does your Audi key fob have issues locking and unlocking? This may be a sign that the battery must be replaced. To replace the battery, open the metal key with a flathead and pop the cover off using a screwdriver. Replace the https://g28carkeys54558.ageeksblog.com/29488694/10-audi-a4-spare-key-related-projects-to-stretch-your-creativity