GMC Sierra Classic 2007 Owner's Manual page 201

5. After entering all of the switch positions,
again, firmly press and release all
three buttons at the same time. The
indicator lights will turn on.
6. Press and hold the button you would like to
use to control the garage door until the
garage door moves. The indicator light above
the selected button should slowly blink.
You may need to hold the button from
five to 55 seconds.
7. Immediately release the button when the
garage door moves. The indicator light will
blink rapidly until programming is complete.
8. Press and release the same button again.
The garage door should move, confirming
that programming is successful and complete.
To program another Fixed Code device such as an
additional garage door opener, a security device,
or home automation device, repeat Steps 1-8,
choosing a different button in Step 6 than what you
used for the garage door opener.
Using Universal Home Remote
Press and hold the appropriate button for at least
half of a second. The indicator light will come
on while the signal is being transmitted.
Reprogramming Universal Home
Remote Buttons
You can reprogram any of the three buttons by
repeating the instructions.
Erasing Universal Home Remote
Buttons
You should erase the programmed buttons when
you sell or terminate your lease.
To erase either Rolling Code or Fixed Code
on the Universal Home Remote device, do
the following:
1. Press and hold the two outside buttons at the
same time for approximately 20 seconds, until
the indicator lights, located directly above
the buttons, begin to blink rapidly.
2. Once the indicator lights begin to blink,
release both buttons. The codes from all
buttons will be erased.
For help or information on the Universal Home
Remote System, call the customer assistance
phone number under Customer Assistance Offices
on page 638.
201