We may receive a commission on purchases made from links. For the sake of convenience, the battery in your car's key fob is designed to last a fairly long time, usually up to around four years. The ...

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 ...

If you have a good battery and run it down by leaving the lights or accessories on, you can always recharge it. But when the battery is old and past its service life, that won’t work, and it’s time ...

Swapping a car battery might seem like one of those basic maintenance tasks you can do blindfolded until sparks start flying, your stereo forgets who you are, and your car throws a tantrum. Most ...