1995 GMC Yukon Owner's Manual - Page 135

The pegs inside the compartment doorare used to make sure the button onthe compartment door will contact the control buttonon the garage dooropener. B' 3: Add one pegat a time until the PUSH button on the compartment door operatesthe garage dooropener, with the compartment door closed,when you push the button marked PUSH. Now, with the compartment door closed, push the button marked PUSH again to make sure the garage door opener operates properly. With the garage door opener positioned properly and the right number of pegs in place, you should only have to push the PUSH button slightly to operate the opener. Adjust the position of the garage door opener add orremove pegs, as and needed, until the opener operatesproperly. 2-63