How Do You Put A Battery In A Key Fob. The best Toyota models for new student drivers Photos. The key fob will need to be reprogrammed to the vehicle as when the battery was replaced in the key fob the key was reset.

I never found a reason to use the buttons on my FOB and never took it out of my pocket. The most common types are CR2025 and CR2032 3-Volt batteries. Take out the old battery before inserting a new one in its place.
The Kia Optima I just traded in had the battery go dead in just over 4 years cheap battery available at Walmart.
No matter what type of key fob you have you can replace the battery in a few minutes. Take out the battery and swap it for a new CR2032 battery. Put the key fob back together and test it to ensure it works properly. The Kia Optima I just traded in had the battery go dead in just over 4 years cheap battery available at Walmart.

