2005 GMC Yukon Owner's Manual - Page 103

Power Windows If you have power windows, the controls are located on each of the side doors. Manual Windows Turn the hand crank on each door to manually raise or lower the manual windows. The driver's door has a switch for the passenger and rear windows as well. Your power windows will work when the ignition has been turned to ACCESSORY or RUN or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) on page 2-20. Press the switch to lower the window. Pull up the front edge of the switch to raise the window. 2-15