There's nothing more frustrating than when you're rushing home to the sanctity of your own toilet and you're hamstrung by a seemingly simple snag like a car key that won't come out of the ignition.

Gone are when you couldn't start your car's engine without a physical key. Modern vehicles today come with key fobs that are more useful than just starting your car and locking and unlocking its doors ...

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 ...