GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1999 🢒 Silhouette Ext. 🢒 Body and Accessories 🢒 Seats 🢒 Power Seats System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1

Set the driver/passenger entire seat adjuster switch to any position.

The seat will move in the direction that the seat adjuster switch is set.

2
  1. Set the driver/passenger entire seat adjuster switch to the FORWARD position.
  2. Set the driver/passenger entire seat adjuster switch to the BACK position.
    • Seat will move forward.
    • Seat will move backward.

Power Seat Does Not Move Forward/Rearward

3
  1. Set the driver/passenger front height switch to the UP and then the DOWN position.
  2. Set the driver/passenger rear height switch to the UP and then the DOWN position.
  3. Set the driver/passenger entire seat adjuster switch to the UP and then the DOWN position.
    • The front of the driver/passenger seat will tilt up and then down.
    • The rear of the driver/passenger seat will tilt up and then down.
    • The driver/passenger seat will move up and then down.

Go to Power Seat Does Not Tilt or Move Up/Down

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