light GMC SAFARI 2003 Owner's Guide

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Daytime Running Lamps (DRL)
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 headlamps come on
at a reduced brightness when the following conditions
are met:
•The ignition is on,
•the exterior lamp control is off.
•the automatic transmission is not in PARK (P),
•the light sensor determines it is daytime and
•the parking brake is released.
When the DRL are on, only your DRL lamps will be on.
The taillamps, sidemarker and other lamps won’tbe
on. Your instrument panel won’t be lit up either.When it begins to get dark, the automatic headlamp
system will switch from DRL to the headlamps or the
last chosen headlamp setting that was used.
To idle your vehicle with the DRL off, put the
transmission in PARK (P). The DRL will stay off until
you shift out of PARK (P).
The following does not apply to vehicles first sold
in Canada.
When necessary, you may turn off the automatic
headlamp system and the Daytime Running
Lamps (DRL) feature by following the steps below:
1. Turn the ignition to RUN.
2. Press the DOME OVERRIDE button four times
within six seconds. After the fourth press of the
button, a chime will sound informing you that
the system is off.
To return to the automatic mode, push the DOME
OVERRIDE button four times within six seconds
(the chime will sound), or turn the ignition to off and
then to RUN again.
As with any vehicle, you should turn on the regular
headlamp system when you need it.
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Interior Lamps
Instrument Panel Brightness Control
The thumbwheel for this feature is located to the right of
the exterior lamps control.
(Instrument Panel Brightness):Turn the thumbwheel
up to brighten the lights or down to dim them.
Moving the thumbwheel up to thefirst position will
activate the interior dome lamps.
Exit Lighting
With exit lighting, the interior lamps will come on when
you remove the key from the ignition. The lights will not
come on if the DOME OVERRIDE button is pressed in.
Entry Lighting
Your vehicle is equipped with an illuminated entry
feature.
When a door is opened, the dome lamps will come on
if the DOME OVERRIDE button is in the out position.When all the doors are closed, the lamps will stay on
for a short period of time and will then go out. If the
DOME OVERRIDE button is pressed in, the lamps will
not come on.
Dome Lamps
The dome lamps will come on when you open a door,
except with the liftgate glass (if equipped).
You can also turn the dome lamps on by turning the
thumbwheel, located next to the exterior lamp control,
all the way up. In this position, the dome lamps will
remain on whether a door is opened or closed.
You can use the DOME OVERRIDE button, located
near the exterior lamp control, to set the dome lamps to
come on automatically when a door is opened, or to
remain off. To turn the lamps off, press the button into
the in position, the dome lamps will remain off when
a door is open. To return the lamps to automatic
operation, press the button again and return it to the
out position. With the button in this position, the dome
lamps will come on when you open a door.
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Page 138 of 376

Battery Run-Down Protection
This feature shuts off the dome, courtesy, vanity, reading
and glove box lights if they are left on for more than
20 minutes when the ignition is off. This will keep your
battery from running down.
If the battery run-down protection shuts off the interior
lamps, it may be necessary to do one of the following to
return to normal operation:
•Shut off all lamps and close all doors, or
•turn the ignition key to RUN.
Accessory Power Outlets
You can plug accessory electrical equipment into an
accessory power outlet. Just pull on the outlet cover to
remove it and follow the proper installation instructions
that are included with any electrical equipment that
you install.
The accessory power outlet is located on the
passenger’s side of the front storage compartment.These circuits are protected by a fuse and have
maximum current levels.
Certain power accessory plugs may not be compatible
to the power accessory outlet and could result in
blown vehicle or adapter fuses. If you experience a
problem, see your dealer for additional information on
the power accessory plugs.
Notice:When using an accessory power outlet,
maximum electrical load must not exceed 25 amps.
Always turn off any electrical equipment when
not in use. Leaving electrical equipment on for
extended periods will drain your battery.
Notice:Power outlets are designed for accessory
plugs only. Do not hang any type of accessory
or accessory bracket from the plug. Improper use of
the power outlet can cause damage not covered
by your warranty.
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Page 139 of 376

Ashtrays and Cigarette Lighter
The cigarette lighter is on the left of the engine cover
console.
To use the lighter, press it in all the way and let go.
When it’s done heating, it will pop back out by itself.
Notice:Don’t hold a cigarette lighter in with
your hand while it is heating. If you do, it won’t
be able to back away from the heating element when
it’s ready. That can make it overheat, damaging
the lighter and the heating element.
Notice:When using the cigarette lighter as an
accessory power outlet, maximum electrical load
must not exceed 20 amps. Always turn off any
electrical equipment when not in use. Leaving
electrical equipment on for extended periods will
drain your battery.The front ashtray is located above the passenger’s side
front cupholder. To remove the front ashtray, open it
and gently pull it slightly past its stop.
To remove the ashtray on the sliding door, open it,
then press down on the inside tab and pull it out.
You may have another ashtray on the driver’s sidewall.
Press the right side to turn the ashtray around for use.
To remove the ashtray, open it and gently pull it off
the hinge.
Notice:Don’t put papers or other ammable
items into your ashtrays. Hot cigarettes or other
smoking materials could ignite them, causing
a damaging re.
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Page 145 of 376

Warning Lights, Gages and
Indicators
This part describes the warning lights and gages that
may be on your vehicle. The pictures will help you
locate them.
Warning lights and gages can signal that something is
wrong before it becomes serious enough to cause
an expensive repair or replacement. Paying attention to
your warning lights and gages could also save you
or others from injury.
Warning lights come on when there may be or is a
problem with one of your vehicle’s functions. As you
will see in the details on the next few pages, some
warning lights come on briefly when you start the engine
just to let you know they’re working. If you are familiar
with this section, you should not be alarmed when
this happens.Gages can indicate when there may be or is a problem
with one of your vehicle’s functions. Often gages
and warning lights work together to let you know when
there’s a problem with your vehicle.
When one of the warning lights comes on and stays on
when you are driving, or when one of the gages shows
there may be a problem, check the section that tells you
what to do about it. Please follow this manual’s advice.
Waiting to do repairs can be costly–and even
dangerous. So please get to know your warning lights
and gages. They’re a big help.
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Page 147 of 376

Speedometer and Odometer
Your speedometer lets you see your speed in both
miles per hour (mph) and kilometers per hour (km/h).
Your odometer shows how far your vehicle has
been driven, in either miles (used in the United States)
or kilometers (used in Canada).
Your odometer is tamper resistant. The digital odometer
will read 999,999 if someone tries to turn it back.
You may wonder what happens if your vehicle needs a
new odometer installed. If the new one can be set to
the mileage total of the old odometer, then it must
be. But if it can’t, then it’s set at zero, and a label must
be put on the driver’s door to show the old mileage
reading when the new odometer was installed.
Trip Odometer
The trip odometer can tell you how far your vehicle has
been driven since you last set the trip odometer to zero.
The trip odometer will appear in place of your regular
odometer when you press the TRIP button.
To reset the trip odometer, press and hold the TRIP
button. To change back to the regular odometer,
press the TRIP button again.
Safety Belt Reminder Light
When the key is turned to RUN or START, a tone will
come on for several seconds to remind people to fasten
their safety belts, unless the driver’s safety belt is
already buckled.
The safety belt light will
also come on and stay on
for several seconds,
then it willflash for
several more.
If the driver’s belt is already buckled, neither the tone
nor the light will come on.
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Page 148 of 376

Air Bag Readiness Light
There is an air bag readiness light on the instrument
panel, which shows AIR BAG or the air bag symbol.
The system checks the air bag’s electrical system
for malfunctions. The light tells you if there is an
electrical problem. The system check includes the air
bag sensor, the air bag modules, the wiring and
the crash sensing and diagnostic module. For more
information on the air bag system, seeAir Bag System
on page 1-62.
This light will come on when you start your vehicle, and
it willflash for a few seconds. Then the light should
go out. This means the system is ready.If the air bag readiness light stays on after you start the
vehicle or comes on when you are driving, your air
bag system may not work properly. Have your vehicle
serviced right away.
{CAUTION:
If the air bag readiness light stays on after you
start your vehicle, it means the air bag system
may not be working properly. The air bags in
your vehicle may not inate in a crash, or they
could even inate without a crash. To help
avoid injury to yourself or others, have your
vehicle serviced right away if the air bag
readiness light stays on after you start your
vehicle.
The air bag readiness light shouldflash for a few
seconds when you turn the ignition key to RUN. If the
light doesn’t come on then, have itfixed so it will
be ready to warn you if there is a problem. United States
Canada
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Page 149 of 376

Charging System Light
This light should come on
briefly when you turn on
the ignition, before starting
the engine, as a check
to show you it is working.
After the engine starts, the light should go out. If it stays
on or comes on while you are driving, you may have
a problem with your charging system. It could indicate a
problem with the generator drive belt, or some other
charging system problem. Have it checked right away.
Driving while this light is on could drain your battery.
If you must drive a short distance with this light
on, it helps to turn off all your accessories, such as the
radio and air conditioner.
Voltmeter Gage
When your engine is not
running, but the ignition is
on (in the RUN position),
the gage shows your
battery’s state of charge
in DC volts.
When the engine is running, the gage shows the
condition of the charging system. Readings between
the low and high warning zones indicate the normal
operating range.
Readings in the low warning zone may occur when a
large number of electrical accessories are operating in
the vehicle and the engine is left at an idle for an
extended period. This condition is normal since the
charging system is not able to provide full power
at engine idle. As engine speeds are increased, this
condition should correct itself as higher engine speeds
allow the charging system to create maximum power.
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You can only drive for a short time with the readings in
either warning zone. If you must drive, turn off all
unnecessary accessories.
Readings in either warning zone indicate a possible
problem in the electrical system. Have the vehicle
serviced as soon as possible.
Brake System Warning Light
When the ignition is on, the brake system warning light
will come on when you set your parking brake. The
light will stay on if your parking brake doesn’t release
fully. If it stays on after your parking brake is fully
released, it means you have a brake problem.
Your vehicle’s hydraulic brake system is divided into two
parts. If one part isn’t working, the other part can still
work and stop you. For good braking, though, you need
both parts working well.
If the warning light comes on, there could be a brake
problem. Have your brake system inspected right away.This light should come on
briefly when you turn the
ignition key to RUN.
If it doesn’t come on then,
have itfixed so it will
be ready to warn you if
there’s a problem.
If the light comes on while you are driving, pull off the
road and stop carefully. You may notice that the pedal is
harder to push. Or, the pedal may go closer to the
floor. It may take longer to stop. If the light is still on,
have the vehicle towed for service. SeeTowing
Your Vehicle on page 4-28.
{CAUTION:
Your brake system may not be working
properly if the brake system warning light is
on. Driving with the brake system warning light
on can lead to an accident. If the light is still
on after you’ve pulled off the road and stopped
carefully, have the vehicle towed for service.
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Page 151 of 376

Anti-Lock Brake System
Warning Light
With the anti-lock brake
system, this light will come
on when you start your
engine and may stay on
for several seconds.
That’s normal.
If the light stays on, or comes on when you’re driving,
your vehicle needs service. If the regular brake
system warning light isn’t on, you still have brakes,
but you don’t have anti-lock brakes. If the regular brake
system warning light is also on, you don’t have
anti-lock brakes and there’s a problem with your regular
brakes. See“Brake System Warning Light”earlier in
this section.
The anti-lock brake system warning light should come
on briefly when you turn the ignition key to RUN.
If the light doesn’t come on then, have itfixed so
it will be ready to warn you if there is a problem.
Engine Coolant Temperature Gage
This gage shows the
engine coolant
temperature. If the gage
pointer moves to the
red area, your engine
is too hot!
It means that your engine coolant has overheated.
If you have been operating your vehicle under normal
driving conditions, you should pull off the road, stop your
vehicle and turn off the engine as soon as possible.
SeeEngine Overheating on page 5-28.
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