Release both buttons after the light goes out.
Program my 2012 gmc garage door opener.
Go to the garage door opener receiver motor head unit and locate the learn or smart button.
Keep it held down until the garage door begins to close.
As soon as this happens release the button.
Inside the vehicle hold down the button on the universal home remote system that you want to program to your garage door.
The light above the button you were pressing will blink repeatedly.
Firmly press the button and release the smart button.
After you press this button you now have 30.
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.