1998 GMC Jimmy Owner's Manual - Page 132

Sunroof (If Equipped) Press and release the rear sideof the button in the mini console to open the sunroof.You can press the forward side of the button to closethe sunroof. Oncethe 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. 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. 2-59