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.

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.

Just know that most customer-programmable key fobs will require two current working keys in order to program the new one. RELATED: How to replace your key fob | Your key fob may have hidden features ...

Like anything else relying on a battery, you car key fob can die—often at the worst time. Thankfully, these batteries are easy to replace.

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.

Learning how to change the battery in a Toyota key fob isn't difficult. Whether you have a new or old model, we'll show you how to do it step by step.

If your key fob isn't working, it probably needs a new battery.

Thieves can hack key fobs and steal cars using signal boosting. Here's how to prevent your key fob from being hacked.

When was the last time you put a key into your car’s ignition? If you’re one of the millions of drivers using a key fob to start your car, you might have trouble remembering.

Batteries fade and die over time, but but changing the cell in your Chevrolet key fob doesn't have to be difficult.