Oldsmobile 2001 Alero User Manual download pdf (Page 115)

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Exterior Lamps

Headlamps

See “Turn Signal/Multifunction Lever” in the Index.

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 lights 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:

The ignition is on,

the headlamp switch is in AUTO or the parking

lamps only position,

the light sensor detects daytime light,

the parking brake is released, and

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 headlamp

control to the parking lamp position.

As with any vehicle, you should turn on the regular

headlamp system when you need it.

Automatic Light Control (ALC)

When it is dark enough outside, your Automatic Light

Control (ALC) will turn on your headlamps at the

normal brightness along with other lamps such as the

taillamps, sidemarker, parking lamps and the instrument

panel lights. The radio lights will also be dim.

Your vehicle is equipped with a light sensor on the top

of the instrument panel under the defroster grill, so be

sure it is not covered which will cause the ALC system

to be on whenever the ignition is on.

The ALC system may also be on when driving through

a parking garage, heavy overcast weather or a tunnel.

This is normal.

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Oldsmobile 2001 Alero User Manual Page 115