Oldsmobile 2002 Alero, Owner'S Manual

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The exterior lamps control has three positions:
(Parking Lamps): Turning the control to this
position turns on the parking lamps, together with
the following:
D Sidemarker Lamps
D Taillamps
D License Plate Lamps
D Instrument Panel Lights
(Headlamps): Turning the control to this position
turns on the headlamps, together with the previously
listed lamps and lights.
AUTO: Turning the control to this position turns the
headlamps, taillamps and parking lamps on and off
automatically, while the ignition is on, by sensing how
dark it is outside. For more information see “Automatic
Light Control” later in this section.
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. Fully
functional daytime running lamps are required on all
vehicles first sold in Canada.
The DRL system 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 in AUTO or the parking
lamps only position,
D the light sensor detects daytime light,
D the parking brake is released, and
D the shift lever is not in PARK (P) on vehicles with an
automatic transaxle only.
When the DRL system is on, the taillamps, sidemarker
lamps, parking lamps and instrument panel lights will
not be illuminated unless you have turned the exterior
lamps control to the parking lamp position.
As with any vehicle, you should turn on the regular
headlamp system when you need it.