Like anything else relying on a battery, you car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace.

Like anything powered by a battery, a car key fob can die—often at the worst time. Here’s how to change the battery in your key fob quickly and safely.

Stick with us as we’ll cover the symptoms of a dead fob battery, how to test it, how to change the key fob battery, and how to repogram a key fob after replacing the battery.