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 ...

Passive Entry Passive Start (PEPS) technology has become standard in the automotive market for keyless operation. A secure wireless communication system, PEPS enables you to lock and unlock the ...

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 ...

Most drivers only use their key fob to lock and unlock doors. There's a lot more it can do, and some of these features are ...

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 ...