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 ...

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.