Review on Pack of 2 Keyless Entry Remote Control Car Key Fob Replacements for Chevy GMC M3N-32337100 by KeylessOption by Matt Buchanan

If you need an extra key fob, buy it from the dealer, it costs about the same. They won't work and if you go to a dealer to program it, according to the dealer you still have to pay for the programming even if they can't program it. The motherboard inside is different from the factory motherboard. Easily replace external components and replace motherboards. There are other cheaper solutions as well. It's not difficult, just buy cases and change motherboards, it saves you from trouble.