Firmly press the button and release the smart button.
Program my 2012 gmc garage door opener.
Inside the vehicle hold down the button on the universal home remote system that you want to program to your garage door.
For gmc owners who are using a garage door opener by genie sommer or who have an older generation of homelink in model years 2008 and earlier select your training videos from the list beneath the main video.
The light above the button you were pressing will blink repeatedly.
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As soon as this happens release the button.
After you press this button you now have 30.
Go to the garage door opener receiver motor head unit and locate the learn or smart button.
Press both the hand held garage door opener button and any one of the three buttons on the universal home remote system at the same time and hold them down.