1999 GMC Envoy Owner's Manual - Page 118

yellowblue Sunroof (If Equipped) Universal Transmitter Your vehicle may be equipped with a power sliding sunroof. To open or close your sunroof, the ignition or RAP needs to be on. See "Retained Accessory Power" in the Index. Press and release the rear side of the button in the mini console to open the sunroof. You can press the forward side 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. Mini Console 2-58