GM Service Manual Online
For 1990-2009 cars only

Object Number: 1657678  Size: A1

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

It controls the following systems:

    • Headlamps
    • Taillamps
    • Parking Lamps
    • License Plate Lamps
    • Instrument Panel Lights

The exterior lamps control has four positions:

(Off): Turn the control to this position to turn off the automatic headlamps and daytime running lamps (DRL). Turning the headlamp control to the off position again will turn the automatic headlamps or DRL back on. For vehicles first sold in Canada, the off position will only work for vehicles that are shifted into the PARK (P) position.

AUTO (Automatic): Turn the control to this position to automatically turn on the headlamps at normal brightness, together with the following:

    • Parking Lamps
    • Instrument Panel Lights
    • Taillamps
    • License Plate Lamps
(Parking Lamps): Turn the control to this position to turn on the parking lamps together with the following:

    • Instrument Panel Lights
    • Taillamps
    • License Plate Lamps
&(Headlamps): Turn the control to this position to turn on the headlamps together with the following lamps listed below.

    • Parking Lamps
    • Instrument Panel Lights
    • Taillamps
    • License Plate Lamps

The headlamps will automatically turn off:

    • 10 minutes after the ignition is turned off, if the headlamps were turned on with the ignition on.
    • After 10 minutes if the headlamps were turned on with the ignition already off.

Turn the headlamp control to off and then back to the headlamp on position to make the headlamps stay on for an additional 10 minutes.