GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Brightness

This feature controls the brightness of the instrument panel lights.


Object Number: 1202320  Size: A3

The thumbwheel for this feature is located on the instrument panel to the left of the steering wheel.

Turn the thumbwheel up to brighten the lights or down to dim them.

Entry Lighting

When you open either a front or a rear door, the door step lamps inside your vehicle will turn on. The door step lamps are located on the driver's and front passenger's door trims. The lamps will turn off after you close all of the doors.

Dome Lamp


Object Number: 1202367  Size: B3

The switch on the dome lamp has three positions. The ON position will turn on the lamp. The lamp will stay on until it is manually turned off. The door, or middle, position will turn on the lamp whenever a door is opened. The lamp slowly turns off after the doors are shut. The OFF position will turn off the lamp completely, even when a door is opened.

Map Lamps


Object Number: 1202368  Size: B3

The map lamps are located on the headliner. To turn on a lamp, press the button next to it. Press the button again to turn the lamp off.

Trunk Lamp

The trunk lamp comes on when you open your trunk.

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.

Instrument Panel Brightness


Object Number: 1202320  Size: A3

The thumbwheel for this feature is located on the instrument panel to the left of the steering wheel.

Turn the thumbwheel up to brighten the instrument panel lights or down to dim them.

Dome Lamp


Object Number: 1272934  Size: A3

The switch on this lamp has three positions.

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

(Door): The light comes on while a door is opened. After all of the doors are closed, the light stays on for about seven seconds, and then fades out. The light will also turn off when the ignition is turned to ON.

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

Map Lamps

Uplevel shown, Base similar


Object Number: 1272938  Size: B3

Your vehicle has map lamps. To turn a lamp on, press the button next to it. Press the button again to turn it off.