Get all the news you need in your inbox each morning. Watch this video to see how to change the battery in your key fob. Most key fobs have a little slot you can use to pop them open with a small ...

the first step was to disassemble the already broken key fob and separate out the PCB from the case and battery holder. With those removed, a coin cell was soldered to some wires connected to the PCB.

Many vehicles will also warn if the battery in the key is running low to avoid this situation, but we would suggest consulting your vehicle handbook for clarification. How long should a key fob ...