Hummer H2 2010 Owner's Manual page 32

Sunroof
If equipped, the switch
used to operate the
sunroof is located in the
overhead console.
The ignition must be ON or in the ACC/ACCESSORY
position, or Retained Accessory Power (RAP) must be
active.
1-26
The sunroof has four positions:
Comfort open stop: Press the rear of the switch
quickly and release.
Full open stop: Press the rear of the switch
quickly once more.
Express close: Press the front of the switch
quickly and release.
Vent: With the sunroof in the fully closed position,
press and hold the front of the switch until the
sunroof reaches the desired vent position or until it
stops moving. To close, press and hold the rear of
the switch until the sunroof is fully closed.
For more information see, Sunroof on page 3 65.