1993 GMC SIERRA light

Features & Controls
Cargo Lamp
To turn your optional cargo lamp on, push the side of the switch with the
cargo lamp symbol on it. The switch is below the main light \
switch. The
dome light must be on
for the cargo lamp to work.
Underhood Reel Light
K2255
You may have an underhood reel light. If you do it is located inside the
engine compartment on the passenger side fender. You can use
it as a
flashlight.
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To use the light, pull up on the lever and pull the light out. The cord will
unreel as you pull the light.
K2253
When you are done using the light, reel the cord back into t\
he housing by
turning the handle. Then, slide the light into the holder. Pre\
ss
PUSH on the
lever to lock the light into the holder.
Mirrors
K2256
inside Mirror
Push or pull the tab under the mirror to reduce glare from headlights behind
you after dark.
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Featumes & Controls
PO284
Some visors have an extender on the inside edge. When the vis\
or is down,
pull the extender out for extra glare coverage at the front o\
r side.
Some visors have mirrors with lights. The mirror lights will c\
ome on when
you
lift the mirror cover.
Cigarette Lighter/Ashtrays
PO286
To use the 'lighter, push it in all the way, and let go. When it's ready, it will
pop back by itself.
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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
To remove the front ashtray, pull on the front of it.
To remove the rear ashtrays, if you have them, press down on the inside
tabs and pull.
Don't put papers and other things that burn into your ashtrays\
.
If you do,
cigarettes or other smoking materials could set them on fire, causing damage.
Your vehicle has a variety
of storage compartments provided for your
convenience.
Stoale Compartments
Glove Box
To open your glove box, press the button down and pull the door open.
Two cup holders are provided for your convenience.
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Features & Controls
Tachometer
If you have a tachometer, it displays the engine speed in revolut\
ions per
minute (rpm).
If you have the Sport Performance Model (RPO B4U), your tachometer
reading will go
to 6,000 RPM.
'I I Do not operate the engine with the tachometer in the red area, your
engine
or other parts could be damagec' I
Damage to your engine or vehicle caused by operating the engine in 1
red area isn't covered by your vehicle warranty.
Warning and lndicator Lights
This section describes the warning lights and gages that are o\
n your vehicle.
The pictures
will help you locate them.
Warning lights and gages can signal that something is wrong be\
fore
it
becomes serious enough to cause expensive repair or replacement. Paying
attention
to your warning lights and gages could also save you or others from
injury.
Warning lights go 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 turn the ignition\
key just
to let
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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 yo\
u are driving, or when one of the gages shows there may be a probl\
em, check the
section that tells you what to do about it. Please follow the\
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.
Brake System. Warning Light
BRAKE
. , K2325
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- systems working well.
Your vehicle also has rear-wheel antilock brakes.
If the warning light goes on,
there could be a brake problem with either your regular or rear wheel antilock
brakes, or both. Have your brake system inspected right away.
This light should come on as you start the vehicle.
If it doesn’t come on
then, have
it fixed so it will be ready to warn you if there’s a problem.
This light
will also come on when you set your parking brake, and 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 may ‘have a brake problem. If the light
comes on while driving, pull
off the road and stop carefully. You may notice
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Features & Controls
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. (See “Towing Your Vehicle” in the Index.)
CAUTION
* Your brake system may not be working properly if the brake warning
light is on. Driving with the brake 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
+hq vehicle towed for service.
“WATER IN FUEL” Light
WATER
IN
FUEL I
-l PB010
This light will come on to warn you if there is too much water in the diesel
fuel system. For more information on how this light works, see\
“Diesel Fuel
Requirements and Fuel System” in the Index.
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GLOW PLUGS Light
I--
GLOW
PLUGS
K2337
Your diesel engine has a special starting system. An instrument\
panel GLOW
PLUGS light tells you when the engine is ready to be started. It is at the
upper right
of your cluster. For more details, see “Starting Your Diesel
Engine” in the Index.
Low Coolant Warning Light
LOW
K2327
If you have a diesel engine, you have a low coolant warning ligh\
t. If this light
comes on, your system is
low on coolant and the engine may overheat. See
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