service CHEVROLET KODIAK 2007 User Guide

Stopping the Diesel Engine
1. Set the parking brake and shift to
NEUTRAL (N) or PARK (P).
2. Turn the ignition key to OFF.
If your vehicle has a two-speed axle, see
Two-Speed Rear Axle Electric Shift Control on
page 113.
If you have a Caterpillar
®diesel engine, see your
Caterpillar®Diesel Engine Operation &
Maintenance Manual for additional information.
Diesel Engine Warm-Up
Several factors affect how quickly your diesel
engine warms up. These can include outside
temperature, engine load, idle time and your
vehicle’s option content. Your vehicle may be
equipped with some features that can help
the engine reach operating temperature sooner.
Some of these features are discussed below.Also, remember that an automatic transmission
adds heat to the cooling system through the heat
exchanger in the radiator. Because of this,
vehicles equipped with automatic transmissions
are often able to retain engine coolant heat better
than manual transmission vehicles.
See your Caterpillar
®Operation & Maintenance
manual for additional diesel engine warm-up
information.
If Your Diesel Engine Will Not Start
If you have run out of fuel, seeRunning Out of
Fuel on page 262.
If you are not out of fuel, and your engine will not
start, do this:
Turn your ignition key to RUN. Immediately after
the wait to start light goes off, turn the ignition key
to START.
If the light does not go off, wait a few seconds, then
try starting your engine again. And, see your dealer
as soon as you can for a starting system check.
If the light comes on and then goes off and you
know your batteries are charged, but your engine
still will not start, your vehicle needs service.
103

If the light does not come on when the engine is
cold, your vehicle needs service.
If your batteries do not have enough charge to
start your engine, seeBattery on page 304.
Be sure you have the right oil for your engine, and
that you have changed the oil at the proper
times. If you use the wrong oil, your engine may
be harder to start.
Be sure you are using the proper fuel for existing
weather conditions. SeeWhat Fuel to Use on
page 253.
If the engine starts, runs a short time, then stops,
your vehicle needs service.
{CAUTION:
Do not use gasoline or starting aids, such
as ether, in the air intake. They could
damage your engine. There could also be
a re, which could cause serious personal
injury.
Engine Alarm and Automatic
Shutdown
Your check gages warning light will come on if the
system senses high engine temperature or low
engine oil pressure. If high engine temperature or
low engine oil pressure is detected, you will
also hear a tone alarm at two beats per second.
The alarm and the light will remain on until
the condition is fixed. If the engine temperature or
oil pressure condition worsens, the tone alarm
will go to five beats per second.
If the system senses low engine coolant, the
five beat per second alarm and the low coolant
warning light will come on.
The five beats per second tone alarm means that
your engine will shut down in about 25 to
30 seconds. There is also an engine shutdown
light to indicate that the engine will shut down. See
Engine Shutdown Warning Light on page 177.
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•If the engine coolant temperature gage needle
goes into the hot area on the gage, stop the
engine and find the cause of the overheating.
SeeEngine Coolant Temperature Gage on
page 173for more information.
•If you have air brakes, the dual-needle air
pressure gage should read at least 115 psi
(790 kPa) for both service systems before you
try to move the vehicle. When air pressure
is below 60 psi (420 kPa), the LOW AIR light
will come on and you will hear a tone
alarm. SeeBrake System Warning Light on
page 169for more information. If the pressure
does not build up or drops during warm-up,
stop the engine and find the cause before you
try to move the vehicle. Recommended air
pressure before driving is 120 psi (830 kPa).
SeeAir Pressure Gage on page 183for
more information.
•The charging system light should come on
when the ignition key is turned to RUN or
START and should go out when the engine is
running above idle. If the light does not go
out or comes back on during normal engine
operation, have the charging system checked
right away. (This light tells you if thegenerator is not charging; it does not reflect
the condition of the battery.) SeeCharging
System Light on page 167for more
information.
•The voltmeter charge indicator gage tells you
the condition of your battery’s charge. The
gage should be in the center area during
engine operation. The red area on the
left indicates an undercharge condition; the
red area on the right indicates an overcharge.
If the gage is in either red area, have the
battery and charging system checked
right away. SeeVoltmeter Gage on page 168
for more information.
Notice:Do not allow the engine to operate at
low idle for more than ve minutes. This
can cause low engine operating temperatures
which can affect engine operation and
reduce engine life. Engine idle speed should
be increased to 1200 rpm whenever extended
idle is required. Once started, the engine
should be placed under load to allow the
engine coolant temperature to reach 150°F
(66°C) before shutting off the engine.
110

If your vehicle has
four-wheel drive, the
transfer case knob
is located to the right of
the steering wheel
on the instrument panel.
Use this knob to shift
into and out of
four-wheel drive.
An indicator light shows you which position the
transfer case is in. The indicator lights come
on briefly when you turn on the ignition and
one stays on. If the lights do not come on, you
should take your vehicle to your dealer for service.
An indicator light flashes while shifting the
transfer case. It will remain on when the shift is
complete. If for some reason the transfer
case cannot make a requested shift, it returns to
the last chosen setting.Recommended Transfer Case Settings
Driving ConditionsTransfer Case Settings
2m4m4nN
Normal YES
Severe YES
Extreme YES
Vehicle in Tow* YES
*SeeTowing Your Vehicle on page 241for further
information.
2m(Two-Wheel High):This setting is for driving
in most street and highway situations. The
transfer case does not drive the front axle in
two-wheel drive. The front-axle spins if the front
wheel hubs are locked. Be sure to unlock the hubs
to achieve the best fuel economy.
4
m(Four-Wheel High):Use Four-Wheel High
when you need extra traction, such as on snowy or
icy roads or in most off-road situations. Be sure
the front wheel hubs are locked when you want to
drive in Four-Wheel High.
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Instrument Panel Overview........................ 140
Hazard Warning Flashers.......................... 142
Other Warning Devices............................. 142
Horn.......................................................... 142
Tilt Wheel.................................................. 142
Turn Signal/Multifunction Lever.................. 143
Turn and Lane-Change Signals................. 144
Headlamp High/Low-Beam Changer.......... 144
Windshield Wipers..................................... 145
Windshield Washer.................................... 146
Cruise Control........................................... 146
Exterior Lamps.......................................... 150
Headlamps on Reminder........................... 150
Daytime Running Lamps (DRL)................. 151
Marker Lamps........................................... 152
Instrument Panel Brightness...................... 152
Dome Lamps............................................. 153
Entry Lighting............................................ 154
Reading Lamps......................................... 154
Instrument Panel Switchbank..................... 154
Accessory Power Outlet(s)........................ 156
Ashtray(s) and Cigarette Lighter................ 157Climate Controls......................................... 157
Climate Control System............................. 157
Outlet Adjustment...................................... 160
Rear Heating System................................ 161
Warning Lights, Gages, and Indicators..... 161
Instrument Panel Cluster........................... 162
Speedometer and Odometer...................... 163
Trip Odometer........................................... 163
Tachometer............................................... 163
Engine Speed Limiter................................ 164
Safety Belt Reminder Light........................ 164
Safety Belt Reminder Tone....................... 164
Airbag Readiness Light............................. 165
Airbag Off Light......................................... 166
Charging System Light.............................. 167
Voltmeter Gage......................................... 168
Service Transmission Warning Light.......... 168
Range Inhibit Warning Indicator................. 169
Brake System Warning Light..................... 169
Anti-Lock Brake System Warning Light...... 172
Trailer Anti-Lock Brake System
Warning Light........................................ 172
Section 3 Instrument Panel
137

Airbag Readiness Light
If your vehicle has airbags, there is an airbag
readiness light on the instrument panel, which
shows the airbag symbol. The system checks the
airbag’s electrical system for malfunctions. The
light tells you if there is an electrical problem. The
system check includes the airbag sensors, the
airbag modules, the wiring, the passenger airbag
suppression circuit and the crash sensing and
diagnostic module. For more information on
the airbag system, seeAirbag System on page 68.
This light will come on
when you start your
vehicle, and it will flash
for a few seconds.
Then the light should go
out. This means the
system is ready.
If the airbag readiness light stays on after you
start the vehicle or comes on when you are driving,
your airbag system may not work properly.
Have your vehicle serviced right away.The airbag readiness light should flash for a few
seconds when you turn the ignition key to RUN or
START. If the light doesn’t come on then, have
it fixed so it will be ready to warn you if there is a
problem.
{CAUTION:
If the airbag readiness light stays on after
you start your vehicle, it means the airbag
system may not be working properly. The
airbags 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 airbag readiness light stays on
after you start your vehicle.
165

{CAUTION:
If the airbag readiness light ever comes
on when you have turned off the airbag, it
means that something may be wrong with
the airbag system. The right front
passenger’s airbag could inate even
though the switch is off. If this ever
happens, do not let anyone whom the
national government has identied as a
member of a passenger airbag risk group
sit in the right front passenger’s position
(for example, do not secure a rear-facing
child restraint in the right front
passenger’s seat) until you have your
vehicle serviced. SeeAirbag Off Switch on
page 76andAirbag Readiness Light on
page 165for more on this, including
important safety information.
Charging System Light
The charging system
light may be located in
the instrument panel
cluster, or with the
auxiliary warning lights
in the center of the
instrument panel.
It should come on briefly when you turn on the
ignition, before the engine is running, as a check to
show that it is working.
If it stays on, or comes on while you are driving,
have your vehicle checked right away. You
could have a loose generator drive belt or some
other problem.
Driving while this light is on will drain your battery.
If you must drive a short distance with the light
on, turn off your radio and other accessories.
Sustained driving with a generator failure could
result in a lack of back-up braking if the engine
quits or the power steering pump should fail.
167

Voltmeter Gage
When your engine is
running, the voltmeter
gage shows the
charging system
voltage.
Readings in either warning zone indicate a
possible problem in the electrical system.
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 may not be
able to provide full power at engine idle. As engine
speeds are increased, this condition should
correct itself because higher engine speeds allow
the charging system to create maximum power.You can only drive a short time on the battery.
Be sure to shut off the radio, the fan or any
unnecessary accessories and have the system
serviced.
Service Transmission Warning Light
If your vehicle has an Allison®automatic
transmission, certain transmission malfunctions
will turn this light on.
This light is located with
the auxiliary warning
lights in the center of the
instrument panel.
If this light comes on while you are driving, do not
use the transmission shift control or you may
lose forward gears. The computer for the
transmission senses a problem and chooses a
gear to stay in so that you can drive the vehicle in
that gear. You may not be able to drive as fast
or back up when this light is on.
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Notice:If you continue driving your vehicle
after the transmission warning light comes on,
you could damage the transmission. While
this light is on, the transmission cannot
operate in all gears. If you attempt to shift
gears, the vehicle may not continue to move.
Do not attempt to shift gears while the
transmission warning light is on. Instead, drive
directly to an authorized dealer for service. If
you cannot drive to a dealer immediately, have
the vehicle towed.
Range Inhibit Warning Indicator
If your vehicle has an Allison 1000/2200/2300/
2500 series automatic transmission, a lighted bar
under the current gear selected will flash.
If your vehicle has an Allison 3000/3500
series automatic transmission, the current gear
selected on the pushbutton display will flash.
The flashing bar or gear selection indicates that
transmission range shifts may not occur.
For detailed information on shift inhibit limitations,
see the Allison Automatic Transmission
Operator’s Manual in your vehicle for further
information.
Brake System Warning Light
Your vehicle has either hydraulic or air brakes.
Each system has different warning lights.
Hydraulic Brake System
Warning Lights
Vehicles with hydraulic brake systems
have two brake system warning lights on the
instrument panel.
If the brake system
warning light comes on,
it means that the
fluid level in the master
cylinder reservoir is
low or there is another
problem with your
hydraulic brakes.
When it comes on, you will also hear a
warning tone.
169

The brake system warning light may come on, and
the warning tone may sound, when you are
turning and braking at the same time. This is
normal. See “Hydraulic Brake Systems” under
Braking on page 210.
This light is located
above the climate
controls in the center of
the instrument panel.
If the service brakes soon warning light comes on,
it means there may be something wrong in the
brake system.
When this light comes on, you will also hear a
warning tone. Have the system repaired
immediately.Both of these lights should come on briefly every
time you start your engine. If they do not come
on then, have them fixed so they will be ready to
warn you if there is a problem. If one or both
of these warning lights stay on after you start the
engine, there could be a brake problem. Have
your brake system inspected right away.
If one or both of these lights come 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 this light is still on, have the
vehicle towed for service. SeeTowing Your
Vehicle on page 241. See “Hydraulic Brake
Systems” underBraking on page 210for further
information.
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