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GMC 1998 Jimmy - Automatic Headlamp System; Lamps on Reminder

GMC 1998 Jimmy
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Rotate the knob to the right to the master lamps symbol
to turn on all the lamps listed as well as the headlamps.
Rotate the knob all the way to the left to turn off your
lamps and put the system in auto headlamp mode.
Automatic Headlamp System
When it is dark enough outside, your automatic
headlamp system 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 radio speaker grill
so
be sure it is not covered, which will cause the system to
be on whenever the ignition is on.
The system may also turn
on
your headlamps when
driving through a parking garage, heavy overcast
weather,
a
tunnel or fueling your vehicle
in
a low-light
area. This is normal.
There is a delay in the transition between the daytime and
nighttime operation of the Daytime Running Lamps
(DRL) and the automatic headlamp systems
so
that driving
under bridges or bright overhead street lights does not
affect the system. The DRL and automatic headlamp
system will only be affected when the light sensor sees a
change in lighting lasting longer than the delay.
To idle your vehicle with the automatic headlamp
system off, set the parking brake while
the
ignition is
off.
Then
start your vehicle. The automatic headlamp
system will stay off until
you
release the parking brake.
As
with any vehicle, you should
turn
on
the regular
headlamp system when
you
need it.
Lamps On Reminder
A
reminder chime will sound when your headlamps or
parking lamps are manually turned on and your ignition
is in
OFF,
LOCK
or ACCESSORY.
To
turn the chime
off,
turn the knob all the way to the left
or
turn the
instrument panel dimmer down to the
fully
dimmed
position. In the automatic mode, the headlamps turn off
once the ignition key is
in
OFF.
2-41

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