engine CHEVROLET TRAIL BLAZER 2007 1.G Owners Manual

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Vehicle Damage Warnings
Also, in this manual you will nd these notices:
Notice:These mean there is something
that could damage your vehicle.
A notice tells about something that can damage
the vehicle. Many times, this damage would not be
covered by your vehicle’s warranty, and it could
be costly. But the notice will tell what to do to help
avoid the damage.
When you read other manuals, you might see
CAUTION and NOTICE warnings in different colors
or in different words.
There are also warning labels on the vehicle.
They use the same words, CAUTION or NOTICE.
Vehicle Symbols
The vehicle has components and labels that use
symbols instead of text. Symbols are shown along
with the text describing the operation or
information relating to a specic component,
control, message, gage, or indicator.
If you need help guring out a specic name of a
component, gage, or indicator, reference the
following topics:
Seats and Restraint Systems in Section 1
Features and Controls in Section 2
Instrument Panel Overview in Section 3
Climate Controls in Section 3
Warning Lights, Gages, and Indicators in
Section 3
Audio System(s) in Section 3
Engine Compartment Overview in Section 5
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Power Lumbar
Your vehicle may have power lumbar on the
driver’s and front passenger’s seats.
The seatback lumbar
support can be adjusted
by moving the control
located on the outboard
side of the seat
cushions.
To increase or decrease support, hold the control
forward or rearward.
Keep in mind that as your seating position
changes, as it may during long trips, so should the
position of your lumbar support. Adjust the seat
as needed.
Heated Seats
Your vehicle may have
heated front seats.
The buttons used to
control this feature are
located on the front
door armrests.
The engine must be
running for the heated
seat feature to work.
To heat the entire seat, press the horizontal button
with the heated seat and seatback symbol.
Press the button to cycle through the temperature
settings of high, medium, and low and to turn
the heated seat off. The indicator lights above the
button will come on to designate the level of
heat selected: three for high, two for medium, and
one for low. The low setting warms the seatback
and seat cushion until the seat temperature is near
body temperature. The medium and high settings
heat the seatback and seat cushion to a slightly
higher temperature. You will be able to feel heat in
about two minutes.
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Keys.............................................................. 93
Remote Keyless Entry (RKE) System.......... 95
Remote Keyless Entry (RKE) System
Operation................................................. 96
Doors and Locks.......................................... 98
Door Locks................................................. 98
Power Door Locks....................................... 99
Delayed Locking........................................ 100
Programmable Automatic Door Locks........ 100
Rear Door Security Locks......................... 103
Lockout Protection..................................... 103
Liftgate/Liftglass......................................... 104
Windows...................................................... 105
Power Windows........................................ 106
Sun Visors................................................ 108
Theft-Deterrent Systems............................. 108
Content Theft-Deterrent............................. 108
Passlock
®.................................................. 110Starting and Operating Your Vehicle......... 111
New Vehicle Break-In................................ 111
Ignition Positions....................................... 112
Retained Accessory Power (RAP)............. 113
Starting the Engine.................................... 113
Adjustable Throttle and Brake Pedal.......... 115
Engine Coolant Heater.............................. 116
Active Fuel Management™........................ 117
Automatic Transmission Operation............. 117
Four-Wheel Drive...................................... 121
Parking Brake........................................... 126
Shifting Into Park (P)................................. 127
Shifting Out of Park (P)............................. 129
Parking Over Things That Burn................. 129
Engine Exhaust......................................... 130
Running the Engine While Parked............. 131
Section 2 Features and Controls
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Page 104 of 574

Liftgate/Liftglass
{CAUTION:
It can be dangerous to drive with the
liftgate or liftglass open because carbon
monoxide (CO) gas can come into your
vehicle. You cannot see or smell CO. It
can cause unconsciousness and even
death. If you must drive with the liftgate
open or if electrical wiring or other cable
connections must pass through the seal
between the body and the liftgate or
liftglass:
Make sure all other windows are shut.
Turn the fan on your climate control
system to its highest speed and select
the control setting that will force
outside air into your vehicle. See
“Climate Control System” in the Index.
If you have air outlets on or under the
instrument panel, open them all the
way. SeeEngine Exhaust on page 130.
Liftgate Release
To unlock the liftgate, use the power door lock
switch or the remote keyless entry transmitter. See
Remote Keyless Entry (RKE) System Operation
on page 96. The liftglass will also unlock when the
liftgate is unlocked.
Press the button on the liftglass to open it. To
open the entire liftgate, lift the handle located in
the center of the liftgate. When the liftgate is
opened, the liftglass will lock after a short delay.
Emergency Release for Opening
Liftgate
1. Remove the trim plug, located on the inside of
the liftgate in the center, to expose the access
hole in the trim panel.
2. Use a tool to reach through the access hole in
the trim panel.
3. Pry the left release lever up to the unlock
position. Pry the right release lever up to
unlatch the liftgate.
4. Reinstall the trim plug.
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Page 110 of 574

When the alarm is set the power door unlock
switch will not work.
If the alarm does not sound when it should but the
headlamps ash, check to see if the horn works.
The horn fuse may be blown. To replace the fuse,
seeFuses and Circuit Breakers on page 503.
If the alarm does not sound or the headlamps do
not ash, the vehicle should be serviced by
your dealer.
Passlock®
Your vehicle has the Passlock®theft-deterrent
system.
Passlock
®is a passive theft-deterrent system that
enables fuel if the ignition lock cylinder is turned
with a valid key. If a correct key is not used or the
ignition lock cylinder has been tampered with, the
fuel system is disabled and the vehicle will not start.
During normal operation, the security light will
turn off about ve seconds after the key is turned
to RUN.If the engine stalls and the security light ashes,
wait about 10 minutes until the light stops
ashing before trying to restart the engine.
Remember to release the key from START as
soon as the engine starts.
If the engine does not start after three tries, the
vehicle needs service.
If the engine is running and the security light comes
on, you will be able to restart the engine if you turn
the engine off. However, your Passlock
®system is
not working properly and must be serviced by
your dealer. Your vehicle is not protected by
Passlock
®at this time. You may also want to check
the fuse. SeeFuses and Circuit Breakers on
page 503. See your dealer for service.
In an emergency, call the GM Roadside
Assistance Center. SeeRoadside Assistance
Program on page 544.
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Page 111 of 574

Starting and Operating Your
Vehicle
New Vehicle Break-In
Notice:Your vehicle does not need an
elaborate break-in. But it will perform better in
the long run if you follow these guidelines:
Keep your speed at 55 mph (88 km/h)
or less for the rst 500 miles (805 km).
Do not drive at any one constant speed,
fast or slow, for the rst 500 miles
(805 km). Do not make full-throttle starts.
Avoid downshifting to brake, or slow,
the vehicle.
Avoid making hard stops for the rst
200 miles (322 km) or so. During this time
the new brake linings are not yet broken
in. Hard stops with new linings can
mean premature wear and earlier
replacement. Follow this breaking-in
guideline every time you get new brake
linings.
Do not tow a trailer during break-in.
SeeTowing a Trailer on page 368for the
trailer towing capabilities of your vehicle
and more information.
Following break-in, engine speed and load can
be gradually increased.
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Page 112 of 574

Ignition Positions
Use the key to turn the ignition switch to four
different positions.
A (LOCK):This position locks the ignition and
transmission. It is a theft-deterrent feature. You will
only be able to remove the key when the ignition
is turned to LOCK.Notice:If your key seems stuck in LOCK and
you cannot turn it, be sure you are using
the correct key; if so, is it all the way in? Turn
the key only with your hand. Using a tool to
force it could break the key or the ignition
switch. If none of these works, then your
vehicle needs service.
B (ACCESSORY):This position lets you use
things like the radio and the windshield wipers
when the engine is off.
Lengthy operation of features such as the radio in
the accessory ignition position may drain the
battery and prevent your vehicle from starting.
Do not operate your vehicle in the accessory
ignition position for a long period of time.
C (RUN):This is the position for driving.
The battery could be drained if you leave the key
in the ACCESSORY or RUN position with the
engine off. You may not be able to start your
vehicle if the battery is allowed to drain for
an extended period of time.
D (START):This position starts the engine.
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Page 113 of 574

Key In the Ignition
Never leave your vehicle with the keys inside, as it
is an easy target for joy riders or thieves. If you
leave the key in the ignition and park your vehicle,
a chime will sound, when you open the driver’s
door. Always remember to remove your key from
the ignition and take it with you. This will lock
your ignition and transmission. Also, always
remember to lock the doors.
The battery could be drained if you leave the key
in the ignition while your vehicle is parked.
You may not be able to start your vehicle after it
has been parked for an extended period of time.
Retained Accessory Power (RAP)
These vehicle accessories can be used for up to
20 minutes after the engine is turned off:
Audio System
Power Windows
Overhead Console
Sunroof (if equipped)These features will work when the key is in RUN
or ACCESSORY. Once the key is turned from
RUN to LOCK, these features continue to work for
up to 20 minutes, or until a door is opened.
Starting the Engine
Place the transmission in the proper gear.
Move your shift lever to PARK (P) or
NEUTRAL (N). Your engine will not start in
any other position -- this is a safety feature.
To restart when you are already moving, use
NEUTRAL (N) only.
Notice:Do not try to shift to PARK (P) if
your vehicle is moving. If you do, you could
damage the transmission. Shift to PARK (P)
only when your vehicle is stopped.
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Page 114 of 574

Starting Procedure
1. With your foot off the accelerator pedal, turn
the ignition key to START. When the engine
starts, let go of the key. The idle speed
will goes as your engine gets warm. Do not
race the engine immediately after starting
it. Operate the engine and transmission gently
to let the oil to warm up and lubricate all
moving parts.
Your vehicle has a Computer-Controlled
Cranking System. This feature assists
in starting the engine and protects
components. If the ignition key is turned to
the START position, and then released when
the engine begins cranking, the engine
continues cranking for a few seconds or until
the vehicle starts. If the engine does not
start and the key is held in START for many
seconds, cranking stops after 15 seconds
to prevent cranking motor damage. To prevent
gear damage, this system also prevents
cranking if the engine is already running.
Engine cranking can be stopped by turning
the ignition switch to the ACCESSORY
or LOCK position.Notice:Cranking the engine for long periods of
time, by returning the key to the START position
immediately after cranking has ended, can
overheat and damage the cranking motor, and
drain the battery. Wait at least 15 seconds
between each try, to allow the cranking motor
to cool down.
2. If the engine does not start after 5-10 seconds,
especially in very cold weather (below 0°F
or−18°C), it could be ooded with too much
gasoline. Try pushing the accelerator pedal all
the way to the oor and holding it there as you
hold the key in START for up to a maximum of
15 seconds. Wait at least 15 seconds between
each try, to allow the cranking motor to cool
down. When the engine starts, let go of the key
and accelerator. If the vehicle starts briey
but then stops again, do the same thing.
This clears the extra gasoline from the engine.
Do not race the engine immediately after
starting it. Operate the engine and transmission
gently until the oil warms up and lubricates all
moving parts.
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Page 115 of 574

Notice:Your engine is designed to work with
the electronics in your vehicle. If you add
electrical parts or accessories, you could
change the way the engine operates. Before
adding electrical equipment, check with your
dealer/retailer. If you do not, your engine might
not perform properly. Any resulting damage
would not be covered by your vehicle’s
warranty.
Adjustable Throttle and Brake Pedal
If your vehicle has this feature, you can change
the position of the throttle and brake pedals.
This feature is designed for shorter drivers, since
the pedals cannot move farther away from the
standard position, but can move closer for better
pedal reach. If your vehicle has this feature,
it can be programmed to work with the memory
function. SeeMemory Seat, Mirrors, and
Pedals on page 12.The vehicle must be in PARK (P) for this feature
to operate.
The switch used to
adjust the pedals is
located on the steering
column.
Press the switch forward or backward to move the
pedals closer or farther away from you.
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