2012 Chevrolet Colorado Owner's Manual - Page 46

2-18 Keys, Doors, and Windows Window Lockout (Crew Cab) Press o to activate the rear window lockout switch. The red line (A) will not be visible when activated. Press o again to deactivate the lockout switch. The red line (A) is visible when deactivated. Express-Down Window Windows with an express-down feature allow the window to be lowered fully without pressing and holding the switch. Press the front of the switch to the first position, and the window opens a small amount. Press the switch down fully and the window goes all the way down. To stop the window while it is lowering, pull up the front of the switch. This feature prevents the rear passenger windows from operating, except from the driver position.