1993 CHEVROLET S10 service indicator

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Featums & Contmls
2. 4HI: This setting engages your front axle to help drive your \
vehicle. Use 4HI when you need extra traction, such as on snowy or ic\
y roads,
or in most off-road situations.
3. 4LO: This setting also engages your front axle to give you extra traction.
You may never need 4LO. It sends the maximum power to
all four
wheels. You might choose 4L0
if you were driving off-road in sand,
mud, or deep snow and climbing or descending steep hills.
Indicator lights on the switch show you which setting you are \
in. Both
indicator lights
will come on briefly when you turn on the ignition. If both
lights
do not come on, you should take your vehicle in for service. The 4HI
position has a green indicator light and the 4LO position has \
an amber
indicator light. When shifting from 4HI to 4LO or 4LO to 4HI,\
the indicator
light will flash until the shift is completed.
Two-Wheel Drive, “TWO WHEEL”, does not have a switch posi\
tion or an indicator light. Your vehicle will be in
two wheel drive if neither indicator light
is on.
To shift from two-wheel drive,
“TWO WHEEL”, to 4HI: Press and release
the 4HI switch. This can be done at any speed, and the front\
axle will lock
automatically.
To shift from 4HI to two-wheel drive, “TWO WHEEL”: Press and\
release
the 4HI switch. This can be done at any speed, and the front\
axle will unlock
automatically.
To shift from two-wheel drive, ‘‘TWO WHEEL”, or 4HI to 4LO: Stop your
vehicle. Shift your transmission into
N (Neutral) or depress your clutch pedal.
Press and release the 4LO switch. You must wait for the amber 4LO
indicator light to stop flashing and go solid amber before shi\
fting your
transmission into gear or releasing the clutch pedal.
If the 4L0 switch is pressed when your vehicle is in gear and/or moving, the
amber 4L0 indicator light will flash for
30 seconds and not complete the shift
unless your vehicle is below
3 mph and the transmission is in N (Neutral) or
the clutch pedal depressed.
On automatic transmission equipped vehicles:
If your transfer case does not
shift into 4L0, your transmission indicator switch may require adjustment. With
your transmission in
N (Neutral), press and release the 4LO switch. While the
amber 4LO indicator light is flashing, shift your transmission \
into
P (Park).
Wait until the 4LO indicator light goes solid amber before shifting your
transmission into gear. This will get you into 4L0, but you should take your
vehicle in for service
so normal operation can be restored.
2-30

Downloaded from www.Manualslib.com manuals search engine To shift from 4LO to 4HI: Stop your vehicle. Shift your transmission into N
(Neutral) or depress your clutch pedal. Press and release the\
4HI switch. You
must wait for the green 4HI indicator light to stop flashing \
and go solid green
before shifting your transmission into gear or releasing the clutch pedal.
If the 4HI switch is pressed wh’en your vehicle is in gear and/or moving, the
green 4H1 indicator light will flash for
30 seconds but not complete the shift
unless the vehicle is below
3 mph and the transmission is in N (Neutral) or
the clutch pedal depressed.
On automatic transmission equipped vehicles:
If your transfer case does not
shift into- 4HI, your transmission indicator switch may require adjustment. With
your transmission in
N (Neutral), press and release the 4HI switch. While the
green 4HI indicator light
is flashing, shift your transmission into P (Park). Wait
until the 4HI indicator light goes solid green before shifting \
your transmission
into gear. This will get you into 4HI, but you should take your vehicle \
in for
service
so normal operation can be restored.
To shift from 4LO to two-wh’eel drive, “lW0 WHEEL”: You must shift from
4LO to 4HI before shifting back into two-wheel drive.
Windows
To open your manual windows, turn the hand crank on each door to raise or
lower your side door windows.
If you have the optional power windows, the co’ntrols are on e\
ach of the side
doors.
The driver’s door has a switch for the passenger windows as\
well. Your
power windows
will only work when the ignition has been turned to Run.
231

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Malfunction Indicator Lamp (Service Engine Soon)
Standard Cluster Digital Cluster
I
PO1 61
A computer monitors operation of your fuel, ignition and emission control
systems. This light should come on when the ignition is on, but the engine is
not running, as a check to show you it is working. If it does not come on at
all, have it fixed right away.
If it stays on, or comes on while you are driving,
the computer is indicating that you have
a problem. You should take your
vehicle in for service
soon.
2-68
II

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Brake System Warning Light
Standard Cluster
Digital Cluster
This light appears on your instrument cluster to warn you if your regular
braking system needs service.
If your vehicle has rear wheel antilock brakes,
this light will
also warn you about trouble in that system. It will also light if
your parking brake is not fully disengaged. See the Index unde\
r “Brake
System Warning Light.”
Disc Brake Wear Indicators
Your vehicle has front disc brakes and rear drum brakes. Disc brake pads
have built-in wear indicators that make a high-pitched warning \
sound when
the brake pads are worn and new pads are needed. The sound m\
ay come
and go or be heard all the time your vehicle is moving (except \
when you are
pushing on the brake pedal firmly).
The brake wear warning sound means that sooner or later your brakes won’t work well. That could lead to an accident. When yo
hear the brake wear warning sound, have your vehicle serviced. \
I NOTICE
>ontinuing ti
epair.
e with worn-out bra1 could sult in lstly brake

Downloaded from www.Manualslib.com manuals search engine Refer to the Maintenance Schedule to determine how often to lubricate them
and what type
of lubricant to use.
Exhaust System
To help prevent damage to your exhaust system, do not continue to drive
your vehicle if you notice:
Engine misfiring
* Loss of performance
Other unusual operating conditions
Have your engine and exhaust system serviced regularly.
Three- Way Catalytic Converter
Your vehicle’s three-way catalytic converter is designed to reduce \
the
pollutants in your vehicle’s exhaust. Use only unleaded fuel \
in your vehicle.
If
you use leaded fuel, you could damage your three-way catalytic \
converter, and other engine components.
The Malfunction Indicator (SERVICE ENGINE SOON) lamp on your instrument panel lets you know when your emission system needs \
service.
The light will come on briefly when you start your engine to let you know
that the system is working.
If it does not come on when you start your
engine, or
if it comes on and stays on while you’re driving, your system \
may
need service. Your vehicle should still be driveable, but you should have your
system serviced right away.
6-37

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When It’s Time for New Tires
K1656
One way to tell when it’s time for new tires is to check the treadwear
indicators, which will appear when your tires have only
2/32 inch (1.6 mm) or
less of tread remaining.
You need a new tire
if:
You can see the indicators at three places around the tire.
You can see cord or fabric showing through the tire’s rubber.
The tread or sidewall is cracked, cut or snagged deep enough to show
cord or fabric.
The tire has a bump, bulge or split.
The tire has a puncture, cut, or other damage that can’t b\
e repaired
because of the size
or location of the damage.
Buying New Eres
To find out what kind and size of tires you need, look at the CertificationRire
label. The tires installed on your vehicle when it was mew had a Tire
Performance Criteria Specification (TPC Spec) number on each t\
ire’s sidewall.
When you get new tires, get ones with that same TPC Spec num\
ber. That
way, your vehicle will continue to have tires that are designed to give proper
endurance, handling, speed rating, traction, ride and other thin\
gs during
normal service on your vehicle.
If your tires have an all-season tread design,
the TPC number
will be followed by a “MS” (for mud and snow).
6-46

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Lamp And Bulb Data
Exterior Lamps
Check Gages Indicator' Daytime Running Lights Indicator'
Daytime Running Lights Indicator2
..-
Charging System Indicator' High Beam Indicator'
High Beam lndicato?
I
Quantity 1 1
Trade No.
PC1 94
PC1 74
PC1 94
-
Instrument Cluster Illumination' 6 3 PC1 68
Malfunction Indicator Lamp (Service Engine 1 .7 PC74
Soon)'
Malfunction Indicator Lamp (Service Engine
Soon)'
I I pc194
Seat Belt Indicator'" 1 2 PC1 94
Shift Indicator (PRNDL)'
1 2 PC1 94
Tachometer Warning Band'
1 2 PC1 94
Turn Signal Indicator'
2 .7 PC74
Upshift Indicator' 1 .7 PC74
Upshift Indicator2 1
2 PC1 94
'With Standard Instrument Cluster 'With Digital Instrument Cluster
6-64

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If You’re Stuck In Sand. Mud
Ice. or Snow
............................. 5-30
Ignition Switch ................................ 2-9
Inflation-Tire Pressure ................. 6-44
Instrument Panel ............... 2-58, 2-62
Digital Cluster ................ 2-61, 2-62
Standard Cluster ............ 2-59, 2-60
J
Jack Storage ...................... 5-17, 5-27
Jump Starting ................................. 5-3
K
Key Release Lever ....................... 2-1 1
Keys ................................................. 2-3
L
Lights ........ ................................... 2-46
Brake System Warning ............ 4-1 6
Bulb Replacement .................... 6-31
Charging System Light ............ 2-70
Check Gages Light ................... 2-71
Dome Lights ............................. 2-50
Fog Lamps ................................. 2-47
Indicator ........................ ..2-65, 2-70
Headlights (See “Headlights”)
Malfunction Indicator
.... 2-68, 6-37
Operation ................................... 2-37
Service Engine Soon ............... 6-37
Rear ............................................ 6-33
Loading Information .4-23, 6-38, 6-41
Loading Your Vehicle ........ 4-23, 6-38
Lubrication .................................... 6-35
Front Parkingnurn Signal ........ 6-32
Replacement Chart ................... 6-63
Accelerator Control System .... 6-35
Body ........................................... .- 36
Front Axle ........................ ..... 6-22
Front Suspension and
Steering Linkage
................... 6-34
Front Wheel Bearings
(Two-Wheel Drive)
................ 6-34
Tailgate Handle ......................... 6-36
Hydraulic Clutch Grease
Fitting
..................................... 6-34
Hood Latches and Hinge ........ 6-36
Lock Cylinders .......................... 6-36
Propeller Shaft Slip
SplineslUniversal Joints
....... 6-36
Rear Axle .................................. 6-21
Recommended Lubricants ...... 7-14
Transfer Case ............................ 6-21
M
Other Items ............................... 6-34
Periodic Inspections ................ 7-13
Record ....................................... 7-16
Scheduled Maintenance ............ 7-3
Underbody ................................. 6-55
Master Cylinder (See “Brakes”)
Mirrors
........................................... 2-50
Convex Outside ........................ 2-51
inside ......................................... 2-51
Outside ...................................... 2-51
Vanity ......................................... 2-52
Model Reference ............................... iii
Maintenance
0
Odometer ............................ 2-62, 2-63
Off-Road Driving (See “Driving”)
Off-Road Recovery
...................... 4-1 9
Oil .................................................... 6-9
Additives .................................... 6-13
Disposal of Used ...................... 6-14
Pressure Gage .......................... 2-69
To Check .................................. 6-10
What Kind to Use .................... 6-11
When to Add ............................ 6-10
When to Change ...................... 6-13
Owner Checks and Services ...... 7-11
P
On Hills ........................... 4-48, 4-61
Torque Lock (Automatic
Parking
Over Things That Burn
........... 2-25
Transmission) .............. 2-22, 4-50