GM Service Manual Online
For 1990-2009 cars only

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

  1. Push the driver lumbar inflator switch lumbar button to inflate and deflate the seat.
  2. Push the driver lumbar inflator switch bolster button to inflate and deflate the seat.

The bladders inflate or deflate within the seat. The pump runs until the bladders are fully inflated and cuts out or deflates.

2

  1. Push the passenger lumbar inflator switch lumbar button to inflate and deflate the seat.
  2. Push the passenger lumbar inflator switch bolster button to inflate and deflate the seat.

The bladders inflates or deflates within the seat. The pump runs until the bladders are fully inflated and cuts out or deflates.

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