If you're looking to pick up a new key fob, or repair one, you might wonder how long programming it takes and whether or not you can do it yourself.

But maybe you’ve experienced the downside: The cost to replace the latest key fobs can be as much as $400 depending on the brand. Then add another $20 to $130 to program it to work with your car.

Your car's key fob is totally hackable, but there's a simple way prevent potential break-ins and theft.

But maybe you’ve experienced the downside: the cost to replace the latest key fobs can be as much as $400 depending on the brand. Then add another $20 to $130 to program it to work with your car ...

Locksmiths might not be able to program fobs for every brand. Another option is to buy a key fob online and then have it programmed at a dealership or by a locksmith.

Like anything else relying on a battery, your car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace. The post How to Change the Battery in Your Car Key Fob ...

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.

Watch this video to see how to change the battery in your key fob. How to replace car key battery Most key fobs have a little slot you can use to pop them open with a small flatheaded screwdriver ...