Review on 🔑 Upgrade Your Cadillac CTS STS with Befunny Keyless Entry Car Remote Smart Key Fob FCC ID: M3N5WY7777A by Tim Surridge

I bought this key fob and cut out the key. Got through the programming process, learned the new key, but none of the buttons on the fob work. I tried reprogramming it and it says the key is already recognized and ready for key #3. I even took it to a professional locksmith to have the key programmed but he couldn't because he... had mistakes! So now I have a key fob that the car recognizes but doesn't work and I paid for the key making. Any help is appreciated. Is it possible to somehow not recognize the key fob from the car and start over? I don't know what to do.