The other day, I sat down in my Prius and pressed the Start button on the dashboard. That’s how you turn on the ignition in a Prius — usually. This time, nothing happened. The remote fob in my pocket ...

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 ...

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 ...