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 ...

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 ...

Regardless of how many times you press the button or smack the key fob against the palm of your hand, the doors won't unlock. Of course, all hope is not lost because this usually just means the ...