GMC 2002 Savana Van Owner's Manual page 74

Power Windows (Option) If you have power windows, the controls are located on
each of the side doors.
The driver's door has a switch for the passenger window
as well. Your power windows will work when the
ignition has been turned to RUN or ACCESSORY.
Press the rear of the switch with the power window
symbol on it to lower the window.
Press the front of the switch with the power window
symbol on it to raise the window.
-
The driver's window switch also has an express down
feature that allows the window to be lowered without
holding the switch. Press and hold the side of the
window switch marked AUTO for one second to
- -
activate the express down mode. The express down
mode can be cancelled at any time by pressing the
opposite side of the switch. To open the window part
way, lightly tap the switch until the window is at the
desired position.
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