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.

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.

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 ...

The key fob is your lifeline to your car, letting you unlock the doors and set off the alarm, at a minimum, but how can you tell if it needs a new battery?

If you find yourself locked outside your Lexus with a dead key fob in your hand, don't panic, since there is a way to save the situation ...

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.

Many Harley-Davidson models come with a key fob to help control your morotrcycle's security system. Here's how to reset yours if you need to.

“The fob has become a critical part of the security of the car,” he said. The average price for an Audi key fob replacement, including programming, is $500, we were told.