How to Save Money on Audi Battery Replacement Is your Audi key fob having trouble locking and unlocking it? This could be a sign that the battery needs to be replaced. To replace the battery, you must open the key made of metal using flathead, then pop the cover off https://g28carkeys59024.topbloghub.com/36458841/this-is-the-complete-guide-to-audi-a4-spare-key