GM Service Manual Online
For 1990-2009 cars only

If the vehicle has this feature, the switch is located between the map lamp buttons. The sunroof will only operate when the ignition is turned to ON/RUN. The sunroof can be opened to a vent position or it can be express-opened all of the way.

The sunroof must be manually opened or closed.


Object Number: 1477021  Size: B3

To open the sunroof to the vent position, push the front part of the switch. To return the sunroof to its original position, push the rear part of the switch and hold it until the sunroof reaches the desired position.

To fully open the sunroof, push the rear part of the switch. The sunroof will open automatically until the front or the rear part of the switch is pushed again. To close the sunroof, push the front part of the switch and hold it until the sunroof is closed. The sunroof will stop if the switch is released during operation.

In both the vent and fully open positions, the air flow can be adjusted for driving comfort by pushing and holding the switch until the sunroof moves to the desired position.

The sunroof glass panel cannot be opened or closed if the vehicle has an electrical failure.