GM Service Manual Online
For 1990-2009 cars only

The interior lamps can be controlled, or automatically turn on or off under certain conditions. They are explained in the following text.

Instrument Panel Brightness

This feature controls the brightness of the instrument panel lights.


Object Number: 902005  Size: A1

The interior lamps control is located on the instrument panel, to the left of the steering wheel.

Turn the control to adjust the brightness of the instrument panel lights.

Courtesy Lamps

When a door is opened, the courtesy lamps will automatically come on. These lamps will also come on when the interior lamps control is fully turned clockwise.

Entry Lighting

The entry lighting feature turns the interior lights on before anyone enters the vehicle. The interior lamps will come on for 40 seconds when the doors are unlocked using the remote keyless entry transmitter and the ignition is in OFF. After 40 seconds have elapsed, the interior lamps will slowly fade out. The lamps will fade out before 40 seconds have elapsed if one of the following is done:

    • Lock all doors using the remote keyless entry transmitter.
    • Lock the doors using the power door lock switch.

When any door is opened, entry lighting is cancelled. The interior lamps will stay on while any door is opened and slowly fade out when all doors are closed. The interior lamps may stay on for up to 25 seconds after all doors have been closed if they have not been locked.

Delayed Entry Lighting

The delayed lighting feature will continue to light the interior of the vehicle for 25 seconds after all the doors have been closed. Delayed lighting will not occur while the ignition is in RUN or ACC. After 25 seconds have elapsed, the interior lamps will slowly fade out. The lamps will fade out before the 25 seconds have elapsed if one of the following is done:

    • Turn the ignition to RUN or ACC.
    • Lock the doors using the remote keyless entry transmitter.
    • Lock the doors using the power door lock switch.

To turn the delayed lighting feature off or on, see "Personal Programming Modes" under DIC Controls and Displays .

Delayed Exit Lighting

For exiting the vehicle at night, the vehicle is equipped with the delayed exit lighting feature. The interior lamps will light for up to 25 seconds when the key is removed from the ignition. After 25 seconds have elapsed, the interior lamps will slowly fade. The lamps will fade before the 25 seconds have elapsed is any of the following is done:

    • Turn the ignition to RUN or ACC.
    • Lock the doors using the remote keyless entry transmitter.
    • Lock the doors using the power door lock switch.

When any door is opened, delayed exit lighting is cancelled. The interior lamps will stay on while any door is opened and will slowly fade out when all the doors are closed. The interior lamps may stay on for up to 25 seconds after all the doors have been closed if they have not been locked.

To turn the delayed exit lighting feature off or on, see "Personal Programming Mode Screen" under DIC Controls and Displays .

Overhead Console Reading Lamps

The vehicle may have reading lamps on the overhead console. These lamps will turn on when the doors are opened. When the doors are closed, press the side of each lamp to turn them on and off.

Front Reading Lamps

If the vehicle has a sunroof, there are reading lamps in front of the sunroof switch located on the headliner. These lamps will come on when the doors are opened. Press the side of each reading lamp to turn them on and off when the doors are closed.

Rear Assist Handle Reading Lamps

The vehicle may have reading lamps on each rear assist handle. Press the side of each reading lamp to turn it on or off.

Battery Run-Down Protection

The vehicle has a feature to help prevent the battery from draining in case the interior, trunk, or underhood lamps are accidentally left on. If any of these lamps are left on while the ignition is in OFF, they will automatically turn off after 10 minutes. The lamps will not come back on again until the following is done:

    • Turn the ignition to RUN or ACC.
    • Turn the interior lamps control completely to the right, then back slightly to the left.
    • Open, or close and reopen, a door that is closed.

If the vehicle has less than 15 miles (25 km) on the odometer, the battery saver will turn off the lamps after only three minutes.