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.

Look in your pocket, purse, bag, or junk drawer, and chances are you’ll find a key fob. The basic ones lock and unlock your car’s doors. The fanciest do much more. But no matter which kind you have, ...

We may receive a commission on purchases made from links. For the sake of convenience, the battery in your car's key fob is designed to last a fairly long time, usually up to around four years. The ...

Add Yahoo as a preferred source to see more of our stories on Google. Image credit: Wikimedia Dead fob battery in a parking garage at midnight? That sinking feeling hits different when you’re miles ...