2004 GMC Envoy Owner's Manual - Page 119

Sunroof Your vehicle may be equipped with a power sliding sunroof. To open or close your sunroof, the ignition must be on or Retained Accessory Power (RAP) must be active. Press and release the back of the button in the overhead console to open the sunroof. Press the front of the button to close the sunroof. Once the sunroof is closed, press the forward side of the button to open the sunroof to the vent position. The sunroof is also equipped with a sunshade which you can pull forward to block sun rays. Vehicle Personalization Memory Seat Your vehicle may have this feature. The controls are located on the driver's door, and are used to program and recall memory settings for the driver's seating positions, outside mirror positions and adjustable pedals (if equipped). Adjust the driver's seat, including the seatback recliner and lumbar, both of the outside mirrors, and the adjustable pedals to the desired position. Then press and hold button 1 (for driver 1) for three seconds. A double chime will sound to let you know that the position has been stored. 2-53