How To Change Key Battery. Key fob battery lifespan. Simultaneously pull out the battery carrier from the remote control key.
Step 2 Access the battery. To replace the battery in your key fob start by unscrewing its back with a small Philips screwdriver. How to Change a Hyundai Key Fob Battery.
If you have a smart key you are in luck as the process of changing its battery is significantly easier.
Locate and slide the button that releases the metal key inside the fob and slide the key out of the key fob. Get rid of the battery and swap it for a brand-new CR2032 battery. Slide the release button to release the metal key. If you drive a newer Hyundai model you will open your key fob differently.
