How to Replace Battery in 2019 Audi A4 Key Fob: Easy DIY Guide & Tips

To replace the battery in a 2019 Audi A4 key fob, use an Energizer CR2032 battery. First, press the release button to remove the mechanical key blade. Then, open the fob carefully. Insert the new battery. No tools are needed, and your key fob will not require reprogramming. Your key fob will work again. Once … Read more