2008 Chevrolet Express Van Owner's Manual - Page 95

If you have power windows, the controls are located on each of the side doors. Express-Down The driver and front passenger window switches also has an express-down feature that allows the window to be lowered without holding the switch. Press fully and release the side of the window switch marked AUTO to activate the express-down mode. This mode can be cancelled at any time by pulling up on the switch. To open the window part way, lightly tap the switch until the window is at the desired position. The driver's door has a switch for the passenger window also. Your power windows will work when the ignition has been turned to ON/RUN or ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-21. Press the switch with to lower the window. Pull up on the front edge of the switch to raise the window. 2-15