Oldsmobile 1999 Aurora - Manual (Page 113)

yellow blue
2-55
Sunroof (Option)
Your express - open sunroof includes a sliding glass panel
and a sliding sunshade. The control switch will work
only when the ignition is on, or when retained accessory
power is active.
To open the sunroof, press the control switch rearward
and release it to open the glass panel and sunshade.
If you want to stop the sunroof in a partially open
position, press the switch again. To fully open the
sunroof, press the switch rearward again. The sunshade
can also be opened by hand.
To close the sunroof, press and hold the control switch
forward to close the glass panel. The sunshade must be
closed manually.
To open the sunroof rear vent, open the sunshade
by hand. Press the control switch forward when the
sunroof is closed.
To close the sunroof rear vent, press the
switch rearward.