2000 Chevrolet Prizm Owner's Manual - Page 105

: This position will turn on the following: D D D D D D Headlamps Parking Lamps Sidemarker Lamps Taillamps License Plate Lamp Instrument Panel Lights in lighting that lasts longer than 20 seconds, it will activate the headlamps. If you are driving through a parking garage, heavy overcast weather, or a tunnel, the ALC will turn on your low-beam headlamps at a normal brightness along with the taillamps, sidemarker, parking lamps and the instrument panel lights. The radio lights will be dimmer. There will be a 10 to 15 second delay before the lights will turn on when starting the car at night. As with any vehicle, you should turn on the regular headlamp system when you need it. Turn the switch toward you to turn off the lamps. Automatic Light Control (ALC) Your vehicle is equipped with an automatic light sensor on top of the instrument panel, so be sure it is not covered or the headlamps will be on continuously. When it is dark enough outside, your ALC will turn on your low-beam headlamps at the normal brightness along with other lamps such as the taillamps, sidemarker, parking lamps and instrument panel lights. There is a 20-second delay in the transition between daytime and nighttime operation of the DRL and the ALC systems. If the light sensor senses a reduction Lamps On Reminder If you turn the ignition to LOCK or ACC and leave the lamps on, you'll hear a tone when you open the driver's door. Daytime Running Lamps Daytime Running Lamps (DRL) can make it easier for others to see the front of your vehicle during the day. DRL can be helpful in many different driving conditions, but they can be especially helpful in the short periods after dawn and before sunset. 2-33