Sunroof - Buick 2003 Regal Owner's Manual

Your vehicle may be equipped with an express-open
sunroof. It includes a sliding glass panel and a
sunshade.
The switch to open the sunroof is located overhead on
the headliner.
VENT: To raise the sunroof to the vent position only,
push and hold the front of the switch until the sunroof
glass stops. You will need to open the sunshade
by hand. To close the sunroof from the vent position,
push and hold the rear of the switch until the sunroof
glass closes.
OpenExpress Open: To open the sunroof, push the
rear of the switch once. The sunroof and sunshade
will open by themselves. This is the express-open
feature. To close the sunroof, push and hold the front of
the switch until the sunroof motor stops. The sunshade
can only be closed by hand.
The switch works only when the ignition is on or when
retained accessory power is active. See "Retained
Accessory Power" in Ignition Positions on page 2-18.
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