GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

    • Turn the ignition switch to RUN.
    • With the sunroof closed, press the OPEN/VENT Switch.

The sunroof will open to the VENT position.

Power Sunroof Inoperative

2

    • The ignition switch still in RUN.
    • With the sunroof in the VENT position, press the OPEN/VENT switch again.

The sunroof will open in the express mode until the roof is fully open, or until either the OPEN/VENT switch or the CLOSE switch is pressed. If closed, the sunshade will open with the glass.

Power Sunroof Inoperative

3

    • The ignition switch is still in RUN.
    • With the sunroof in the VENT or the OPEN position, press the CLOSE Switch.

The sunroof will close until the switch is released, or until the sunroof reaches the closed position.

Power Sunroof Inoperative

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.