GM Service Manual Online
For 1990-2009 cars only

The exterior lamps control has three positions:

Off: Push the control all the way to turn off all lamps.

Parking Lamps: Pull the control out, halfway to the first position, to turn on the parking lamps together with the following:

    • Taillamps
    • License Plate Lamps
    • Sidemarker Lamps
    • Instrument Panel Lights
Headlamps: Pull the control out all the way, to the second position, to turn on the headlamps together with the previously listed lamps and lights.

A warning chime will sound if the driver's door is opened when the ignition switch is turned to OFF, LOCK or ACCESSORY and the headlamps are on.