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 ...

How Does Your Key Fob Work? The key fob uses wireless technology with a frequency of 433 MHz. There are receivers/transmitters on the vehicle and the key, so they can communicate with each other. This ...

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 ...

Starting your vehicle these days involves considerably more technology than in the days of simply inserting and turning a mechanical ignition key. The physical key has given way to push-button start, ...

Today’s new cars pack in more high-tech electronic features than ever before, and that includes in the key fob. The device has gone far beyond simply locking or unlocking doors, starting a car ...

Key fobs are a generally pretty mundane and overlooked piece of automotive paraphernalia. A few decades ago, drivers didn't have a way to remotely unlock their cars, and now it's taken for granted.

Most new cars on the market today come with a keyless fob you can use to unlock the doors and start your car without ever removing the fob from your pocket. But they can be bulky, and they're one more ...

Nowadays, electronic car keys have become the norm, a massive shift from just a few decades ago when anyone with a little know-how could turn over the ignition on a car with some crossed wires and a ...