Release both buttons after the light goes out.
Program my 2012 gmc garage door opener.
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.
Go to the garage door opener receiver motor head unit and locate the learn or smart button.
Continue to hold down both buttons while the universal home remote light flashes slowly then more rapidly.
The light above the button you were pressing will blink repeatedly.
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Keep it held down until the garage door begins to close.
Firmly press the button and release the smart button.
After you press this button you now have 30.