2003 GMC Sierra 1500 Pickup Owner's Manual - Page 151

4. Add one peg at a time until, with the compartment door closed, the PUSH button on the compartment door will operate the garage door opener. 5. Now, with the compartment door closed, press the button marked PUSH again to make sure the garage door opener operates properly. 6. With the garage door opener positioned properly and the right number o pegs in place, you should f only have to press the PUSH button slightly to operate the opener. 7. Adjust the position of the garage door opener and add or remove pegs, as needed, until the opener operates properly. 2-64