When the battery is removed from the key fob, the fob can lose its ‘memory’ or programming. If the key fob is not working after replacing its battery, a reprogramming procedure may be required.

To better understand the steps needed to replace a key fob—and the costs—we set out to buy and program several of them.

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.

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.

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

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.

Q. I have a key fob that I want to program for my Honda Accord. It is a used car that I purchased, and it only has one fob, and I found an aftermarket fob on-line for $50. The dealer wants to charg… ...

Q: I have a key fob I need to program for my Honda Accord. It is for a used car that I purchased that came with only one fob. I found an aftermarket fob online for $50, but the dealer wants to char… ...