2003 Chevrolet Impala Owner's Manual - Page 138

The exterior lamps control has three positions: OFF: Pushing the control all the way in turns off the exterior lamps. Parking Lamps: Pulling the control out halfway will turn on the parking lamps together with the following: Taillamps License Plate Lamps 0 A light sensor on top of the instrument panel makes the DRL work, so be sure it isn't covered. The DRL system's automatic headlamp control will make your high-beam headlamps come on at a reduced brightness when the following conditions are met: 0 The ignition is on, the exterior lamps control is off and the gearshift is not in PARK (P). Instrument Panel Lights Headlamps: Pulling the control all the way out turns on the headlamps together with the previously listed lamps and lights. See lnterior Lamps on page 3- for I7 information on the instrument pane! brightness control and on the dome lamps. A warning chime will sound if you open the driver's door when the ignition switch is off and the headlamps are on. When the DRL are on, only your high-beam headlamps, at a reduced level of brightness, will be on. The headlamps, taillamps, sidemarker and other lamps won't be on. Your instrument panel and cluster won't be lit up either. When it's dark enough outside, your high-beam headlamps will turn off and the headlamps and parking lamps will turn on. The other lamps that come on with your headlamps will also come on. When it's bright enough outside, your headlamps will go off and y J r DRL will come on. Daytime Running LampdAutomatic Headlamp System 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. Fully functional daytime running !an?ps are required on a!! vehic!es first sold in Canada. As with any vehicle, you should turn on the regular headlamp system when you need it. 3-15