GM Service Manual Online
For 1990-2009 cars only

Caution: Leaving children in a vehicle with the keys is dangerous for many reasons, children or others could be badly injured or even killed. They could operate the power windows or other controls or even make the vehicle move. The windows will function and they could be seriously injured or killed if caught in the path of a closing window. Do not leave keys in a vehicle with children.

When there are children in the rear seat use the window lockout button to prevent unintentional operation of the windows.


Object Number: 849491  Size: B3

If your vehicle has power windows, the controls are located on each of the side doors in the front and rear for crew cab models.

The driver's door has a switch for the passenger's 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) .

Press the switch down to lower the window.

Pull up the front of the switch to raise the window.

Express Down Windows

The driver and front passenger windows also 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 partway, press the switch to the first depression position, until the window is at the desired position.

Window Lockout

(Window Lockout): If your crew cab vehicle has power windows, the driver's door power window switch has a lockout feature. The lockout switch is located in front of the window switches. This feature prevents all windows from operating, except from the driver's position. Press the switch to engage or disengage the lockout feature. An indicator light on the switch will come on when the lockout feature is engaged, and will go off when disengaged.