Many of the less advanced fobs can be laser-cut and programmed by your local mechanic or locksmith, but if you’re up for the challenge, programming it yourself can be a fun project.

If a metal key also is included, it will have to be cut by a locksmith or dealer. If you can’t do it yourself, contact a dealership to find out how much it will cost, including programming.

And that’s just for the fob. Add another $50 to $100 to get replacement fobs programmed to work with your car and to have a new mechanical backup key made.

How To A Program GM Key Fob 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 ...

Key fobs are handy for keyless entry to your car, but carrying around multiple key fobs makes for a seriously bulky keychain. With that in mind, tech blog Filear details how to program your ...

When your Honda key fob runs out of battery, you can take it to a dealership, but it's pricey. It's much cheaper and not too difficult to do it yourself.

Information about programming many manufacturers' key fobs is available on the Internet, although no one site acts as a central clearinghouse for all car models.