On modern Chevrolet key fobs, the key itself is used as a tool to help you swap out the old battery for a new one.

View post: This Minimalist Razor Delivers a Better Shave Than Your 5-Blade. It's Always in My Travel Dopp Kit Smoke detectors are one of the most important electronic devices you have in your home.

You may know the signs of a key fob with a bad battery: having to press the button multiple times or getting close to the car for activation to kick in. Sometimes the functions engage, and at other ...