With a key fob programmer, you can program your new key and reprogram faulty key fobs. Our experts have researched Amazon to discover the most popular key fob programmers in the automotive market.

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.

WISN 12 asked why the key fob programmer was sought after. "Basically, they can program 70, 80% of the brands -- Dodge, Ford, Nissan," Barrera said.

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.

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

High-tech thieves are hacking into key fobs to steal cars and experts say it’s starting to become more common.

Transponder City Locksmith Services in Bridgeview, IL was burgled by thieves looking for key fob programmers, which make stealing cars easier.