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.

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. Check your battery type. Most fobs use small ...

It might not occur to you that your car's key fob has more uses than simply opening and locking your car doors. After all, that was the original purpose behind the invention of keyless entry: so that ...