Once upon a time, a long, long time ago, you needed to put an actual key into a car's door lock to get in. Today, the doors of most modern cars are unlocked by pressing a button on the key.

It's hard to know when your key fob battery is low. Occasionally, folks find themselves locked out of their cars and ...

The good people in a small northern Canadian town are calling attention to their ongoing war with a mysterious and invisible force that’s been killing car key ... battery for their fobs, told ...

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.