GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Turn the ignition switch to the RUN position.
  2. Momentarily press the sunroof switch in the REVERSE/CLOSE VENT position. Release the switch before the sunroof is fully open.

The sunroof moves to the fully OPEN position. In order to abort the express open mode, press the sunroof switch once in any direction.

Power Sunroof Does Not Open

2

Press the sunroof switch in the FORWARD/OPEN VENT position. Release the switch before the sunroof is fully closed.

The sunroof moves toward the CLOSED position. The sunroof stops when the sunroof switch is released.

Power Sunroof Does Not Open to Vent Position

3

Press and hold the sunroof switch in the FORWARD/OPEN VENT position.

The sunroof moves to the CLOSED position and stops.

Power Sunroof Does Not Open

4

  1. Release the sunroof switch.
  2. Press the switch again in the FORWARD/OPEN VENT position.

The sunroof moves to the VENT position.

--

5

Momentarily press the sunroof switch in the REVERSE/CLOSE VENT position. Release the switch before the sunroof is fully closed.

The sunroof moves to the CLOSED position and stops.

Power Sunroof Does Not Open to Vent Position

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