2005 GMC Yukon Owner's Manual - Page 104

Express-Down Windows The driver and front passenger windows have an express-down feature that allows the windows to be lowered without holding the switch. Press down fully on the window switch, then release, to activate the express-down mode. The express-down mode can be canceled at any time by pulling up on the switch. To open the window in small amounts, press the switch to the first position until the window is at the desired level. Sun Visors To block out glare, you can swing down the top and bottom visors (if equipped). You can also swing the bottom visor from side-to-side. Your visors may have an extension that can be pulled out for additional glare protection. Lighted Visor Vanity Mirror If equipped, pull the sun visor down and lift the mirror cover to turn on the lamps. There is a slide switch to adjust the brightness of the lamps. Window Lockout o (Window Lockout): The window lockout switch is located in front of the power window switches on the driver's door armrest. This feature prevents all passenger windows from operating, except from the driver's position. To engage the lockout feature press the switch, and an indicator light will illuminate. To disengage the feature, press the switch again and the indicator light will go off. 2-16