2000 Buick Century Owner's Manual - Page 111

If you turn off the ignition with the headlamp switch in the parking lamp or headlamp position, the delayed headlamp illumination cycle will not occur. You can customize the vehicle to activate delayed headlamp illumination when your vehicle's ignition is turned off under the conditions described above, or you may choose not to activate this feature under any conditions. You can turn the feature on and off when you perform the following sequence: 1. Turn the ignition key to RUN. 2. Close all the doors. 3. Press and hold the power door lock switch. While holding the door lock switch, cycle the headlamp switch on and then off two times. 4. Release the power door lock switch. These steps must be carried out in a time period of less than 10 seconds, followed by a delay period of no more than 10 seconds. 5. Then, press and hold the power door unlock switch. While holding the door unlock switch, turn the headlamp switch on and then off two times. Release the courtesy door unlock switch. These operations must be carried out in a time period of less than 10 seconds. After releasing the door unlock switch, a single chime will be heard if the delayed headlamp illumination function has been disabled; two chimes will be heard if the feature has been enabled. Disconnecting the vehicle's battery for up to a year will not change the programmed operation of this feature. Interior Lamps Instrument Panel Brightness Control You can brighten or dim the instrument panel lights by moving the LIGHTS knob. If you turn the knob past MAX, your courtesy or interior lamps will come on. Courtesy Lamps When any door is opened, several lamps come on. These lamps are courtesy lamps. They make it easier to see as you enter and exit your vehicle. You can also turn these lamps on by twisting or turning the interior lights knob all the way to the right. 2-42