Pontiac 2002 Grand Prix - Manual (Page 116)

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Daytime Running Lamps (DRL) /
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 will make your low - 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,
D the transaxle is not in PARK (P) and
D the parking brake is released.
When the DRL are on, only your low - beam headlamps,
at a reduced brightness, will be on. The taillamps,
sidemarker and other lamps won’t be on. Your
instrument panel won’t be lit up either.
When it’s dark enough outside, your headlamps will
change to full brightness. The other lamps that come on
with your headlamps will also come on.
When it’s bright enough outside, the headlamps will go
out, and your low
- beam headlamps will change to the
reduced brightness of DRL.
To idle your vehicle with the DRL off, set the parking
brake while the ignition is in OFF or LOCK. Then start
your vehicle. The DRL will stay off until you shift out
of PARK (P) and release the parking brake.
As with any vehicle, you should turn on the regular
headlamp system when you need it.