GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

    â€¢ Close all of the passenger compartment doors.
    â€¢ Cycle the ignition switch from RUN to OFF.

The following components operate for approximately 10 minutes or until a passenger compartment door opens.

    â€¢ The radio
    â€¢ The power windows
    â€¢ The sunroof (if equipped)

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