Pontiac 2004 Bonneville, Owner'S Manual

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When it is dark enough outside, your regular intensity
headlamps will come on at full brightness and the
DRL lighting will turn off. The parking lamps that
normally come on with your headlamps will also come
on. When it is bright enough outside, the regular
intensity headlamps and parking lamps will turn back
off, and the reduced brightness DRL lighting will
turn back on.
To idle your vehicle during the day with the DRL off,
shift the transaxle into PARK (P). The DRL will stay off
until you shift out of PARK (P).
At night, you can turn off all exterior lamps when you
are in PARK (P) by turning the Twilight Sentinel
®
knob
all the way to OFF.
If the knob was already in OFF, it must be cycled to ON
and back to OFF. Turn the knob clockwise to turn the
exterior lighting back on. The lamps will come back
on automatically when you put the transaxle in gear.
As with any vehicle, you should turn on the regular
headlamp system when you need it.
Fog Lamps
The fog lamps button is located below the twilight knobs,
to the left of the steering wheel on the instrument panel.
An indicator light in the button will glow when the fog
lamps are on. Your parking lamps will also come
on automatically while the fog lamps are active.
If your fog lamps are on when you use your high beams
or flash-to-pass feature, the fog lamps will be disabled
while the feature is being used.
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