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 ...

Consumer Reports has no financial relationship with advertisers on this site. Consumer Reports has no financial relationship with advertisers on this site. The days of replacing a car key by having an ...

A key fob, also called a keyless entry remote or keyless transmitter, controls your vehicle’s locks, trunk and alarm from a distance. Every key fob must be programmed to connect with a vehicle before ...

In a world in which new cars now cost upward of $50,000 on average, annual maintenance bills are creeping up to four figures, and such outlays don't seem to be getting cheaper any time soon, a ...

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 ...