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 ...

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 ...

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 ...