The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you tell if it needs a new battery?

Remote key fobs might offer convenience to car owners by locking and unlocking the doors at the push of a button, but when ...

Most cars allow you to start the engine by pressing the ignition button with the key, or by placing the key in a specific ...

The Panasonic CR2450 button battery is a 3V battery designed specifically for the remote key fobs of certain BMW cars, widely favored for its stable performance and high cost-effectiveness. To gain a ...

While many car keys require a trip to the dealership and some cash to duplicate them, others are much easier. You can even ...