Chevrolet 2002 Impala, Owner'S Manual

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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:
D Taillamps
D LIcense Plate Lamps
D Instrument Panel Lights
Headlamps: Pulling the control all the way out turns on
the headlamps together with the previously listed lamps
and lights. See “Interior Lamps” later in this section for
information on the instrument panel 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.
Daytime Running Lamps / Automatic
Headlamp Control
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 lamps are required on all
vehicles first sold in Canada.
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:
D The ignition is on,
D the exterior lamps control is off and
D the gearshift is not in PARK (P).
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 your DRL will come on.
As with any vehicle, you should turn on the regular
headlamp system when you need it.