Key fobs do more than lock and unlock your door. They can also remotely control the windows on some automobiles.

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 ...

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.

Check your battery type. Most fobs use small coin batteries (like CR2032), so confirm before you buy. Pry it open with care. Find the seam, pop it gently—no need to wrestle with it. Replace and click ...

Long gone are the days of having to use an actual key to unlock your car doors. Modern vehicles typically come with a remote key fob -- a term with an interesting backstory-- allowing you to lock and ...