2003 Buick Century Owner's Manual - Page 120

Exterior Lamps This control, located to the left of the instrument panel, operates the exterior lamps. Parking Lamps: Pulling the control out, to the first position, turns on the parking lamps together with the following: 0 0 Taillamps License Plate Lamps SidemarkerLamps Instrument Panel Lights * 0 Headlamps: Pulling the control out all the way, to the second position, turns on the headlamps together with the previously listed lamps and lights. A warning chime will sound if you open the driver's door when you turn the ignition switch to OFF, LOCK or ACCESSORY with the lamps on. The exterior lamps control has three positions: Off: Pushing the control all the way in turns off all lamps and lights. 3-11