GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Brightness

The thumbwheel for this feature is located next to the exterior lamps control. See Exterior Lamps .

(Instrument Panel Lights): Turn the thumbwheel up or down to brighten or dim the instrument panel lights and the radio display. This will only work if the headlamps or parking lamps are on.

To turn on the dome lamp, with the vehicle doors closed, turn the thumbwheel all the way up.

Dome Lamp

The dome lamp will come on when you open a door.

You can also turn the dome lamp on by turning the thumbwheel all the way up. In this position, the dome lamp will remain on whether a door is opened or closed.

(Dome Override): Press this button, located below the exterior lamp control, to turn the dome lamp off even when a door is opened. To return the lamp to automatic operation, press the button again.

Exit Lighting

With exit lighting, the interior lamps will come on when you remove the key from the ignition. The lamps will not come on if the dome override button is pressed in.

Battery Run-Down Protection

This feature shuts off the dome lamp if it is left on for more than 20 minutes when the ignition is in LOCK. This will keep your battery from running down.