“The cost to replace the latest key fobs can run anywhere from $50 to as high as $400 depending on the brand,” says Consumer Reports automotive analyst Mel Yu. And that’s just for the fob.

How to Replace the Key Fob for Your Car The cost to replace the latest key fobs can be as much as $400 depending on the brand ...

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?

For added convenience, a mobile locksmith can replace many fobs, programming and cutting the keys right in your driveway. And did you know your fob is hiding a secret?

Thieves amplify a vehicle's radio signal to access and copy the key fob signal to steal a vehicle. Here's how to block the signal.

For added convenience, a mobile locksmith can replace many fobs, programming and cutting the keys right in your driveway. And did you know your fob is hiding a secret?

How to Replace Your Car's Key Fob Consumer Reports looks at what you should know before heading out to find an expensive new key fob.

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 ...

Finally, some warranties provide lockout assistance or lost key assistance to help you enter your vehicle. These services are separate from key fob replacement, and may not pay for a replacement.

If your key fob is wearing out, find a replacement Ford Escape key fob from these top-rated aftermarket products.