GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Brightness

This feature controls the brightness of the instrument panel lights.


Object Number: 1285739  Size: A2

The thumbwheel for this feature is located on the instrument panel to the left of the steering column. Turn the thumbwheel to the right to brighten the lights or to the left to dim them.

Dome Lamp

Your vehicle will have one of the following dome lamp switches.

Without Sunroof


Object Number: 1252391  Size: A3

You will have this version if your vehicle does not have a sunroof.

With Sunroof


Object Number: 1252476  Size: A1

You will have this version if your vehicle has a sunroof.

The switches have three positions.

ON: The light comes on and stays on regardless of whether a door is open or closed.

(Door): The light comes on when a door is opened. The light turns off when all the doors are shut.

OFF: The light remains off even when a door is opened.