How to Save Money on Audi Battery Replacement Does your Audi key fob experience difficulty locking and unlocking? This could indicate that the battery needs to be replaced. To replace the battery, turn off the key made of metal and use a flathead screwdriver to remove the back cover. Install https://g2809755.glifeblog.com/29169779/10-audi-a4-spare-key-related-projects-that-can-stretch-your-creativity