ECU CHEVROLET COBALT 2009 1.G Owner's Manual

The passenger sensing system will turn off the right
front passenger’s frontal airbag under certain conditions.
The driver’s airbags are not part of the passenger
sensing system.
The passenger sensing system works with sensors that
are part of the right front passenger’s seat and safety
belt. The sensors are designed to detect the presence of
a properly-seated occupant and determine if the right
front passenger’s frontal airbag should be enabled
(may inate) or not.
Accident statistics show that children are safer if they
are restrained in the rear rather than the front seat.
We recommend that children be secured in a rear seat,
including: an infant or a child riding in a rear-facing
child restraint; a child riding in a forward-facing child
seat; an older child riding in a booster seat; and children,
who are large enough, using safety belts.
A label on your sun visor says, “Never put a rear-facing
child seat in the front.” This is because the risk to the
rear-facing child is so great, if the airbag deploys.
{CAUTION:
A child in a rear-facing child restraint can be
seriously injured or killed if the right front
passenger’s airbag inates. This is because the
back of the rear-facing child restraint would be
very close to the inating airbag.
Even though the passenger sensing system is
designed to turn off the right front passenger’s
frontal airbag if the system detects a rear-facing
child restraint, no system is fail-safe, and no
one can guarantee that an airbag will not deploy
under some unusual circumstance, even
though it is turned off. We recommend that
rear-facing child restraints be secured in a rear
seat, even if the airbag is off.
If you secure a forward-facing child restraint in
the right front seat, always move the front
passenger seat as far back as it will go. It is
better to secure the child restraint in a rear seat.
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The passenger sensing system is designed to turn off
the right front passenger’s frontal airbag if:
The right front passenger seat is unoccupied.
The system determines that an infant is present in
a rear-facing infant seat.
The system determines that a small child is present
in a child restraint.
The system determines that a small child is present
in a booster seat.
A right front passenger takes his/her weight off of
the seat for a period of time.
The right front passenger seat is occupied by a
smaller person, such as a child who has outgrown
child restraints.
Or, if there is a critical problem with the airbag
system or the passenger sensing system.
When the passenger sensing system has turned off the
right front passenger’s frontal airbag, the off indicator
will light and stay lit to remind you that the airbag is off.
SeePassenger Airbag Status Indicator on page 3-28.
If a child restraint has been installed and the on indicator
is lit, turn the vehicle off. Remove the child restraint
from the vehicle and reinstall the child restraint following
the child restraint manufacturer’s directions and refer
toSecuring a Child Restraint in the Right Front
Seat Position on page 1-49.If, after reinstalling the child restraint and restarting the
vehicle, the on indicator is still lit, check to make
sure that the vehicle’s seatback is not pressing the child
restraint into the seat cushion. If this happens, slightly
recline the vehicle’s seatback and adjust the seat
cushion if possible. Also make sure the child restraint is
not trapped under the vehicle head restraint. If this
happens, adjust the head restraint. SeeHead Restraints
on page 1-7.
Remove any additional material from the seat such as
blankets, cushions, seat covers, seat heaters, or
seat massagers before reinstalling or securing the
child restraint.
If the on indicator is still lit, secure the child in the
child restraint in a rear seat position in the vehicle,
and check with your dealer/retailer.
The passenger sensing system is designed to enable
(may inate) the right front passenger’s frontal
airbag anytime the system senses that a person of adult
size is sitting properly in the right front passenger’s
seat. When the passenger sensing system has allowed
the airbag to be enabled, the on indicator will light
and stay lit to remind you that the airbag is active.
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or trim, or with GM covers, upholstery or trim
designed for a different vehicle. Any object, such as
an aftermarket seat heater or a comfort enhancing
pad or device, installed under or on top of the
seat fabric, could also interfere with the operation of
the passenger sensing system. This could either
prevent proper deployment of the passenger
airbag(s) or prevent the passenger sensing system
from properly turning off the passenger airbag(s).
SeePassenger Sensing System on page 1-61.
If you have any questions about this, you should
contact Customer Assistance before you modify
your vehicle. The phone numbers and addresses
for Customer Assistance are in Step Two of
the Customer Satisfaction Procedure in this manual.
SeeCustomer Satisfaction Procedure on page 7-2.Q:Because I have a disability, I have to get my
vehicle modied. How can I nd out whether
this will affect my airbag system?
A:If you have questions, call Customer Assistance.
The phone numbers and addresses for Customer
Assistance are in Step Two of the Customer
Satisfaction Procedure in this manual. See
Customer Satisfaction Procedure on page 7-2.
In addition, your dealer/retailer and the service
manual have information about the location of the
airbag sensors, sensing and diagnostic module
and airbag wiring.
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Keys...............................................................2-3
Remote Keyless Entry (RKE) System................2-4
Remote Keyless Entry (RKE) System
Operation...................................................2-5
Remote Vehicle Start......................................2-7
Doors and Locks............................................2-10
Door Locks..................................................2-10
Power Door Locks........................................2-10
Delayed Locking...........................................2-11
Automatic Door Lock.....................................2-11
Programmable Automatic Door Unlock.............2-11
Rear Door Security Locks (Sedan)..................2-12
Lockout Protection........................................2-13
Trunk..........................................................2-13
Windows........................................................2-15
Manual Windows..........................................2-15
Power Windows............................................2-16
Sun Visors...................................................2-17Theft-Deterrent Systems..................................2-18
Content Theft-Deterrent.................................2-18
PASS-Key
®III+............................................2-19
PASS-Key®III+ Operation..............................2-20
Starting and Operating Your Vehicle................2-21
New Vehicle Break-In....................................2-21
Ignition Positions..........................................2-22
Retained Accessory Power (RAP)...................2-25
Starting the Engine.......................................2-25
Engine Coolant Heater..................................2-27
Automatic Transmission Operation...................2-28
Manual Transmission Operation......................2-30
Parking Brake..............................................2-32
Shifting Into PARK (P)
(Automatic Transmission)............................2-33
Shifting Out of PARK (P)
(Automatic Transmission)............................2-35
Parking Your Vehicle.....................................2-35
Parking Over Things That Burn.......................2-36
Engine Exhaust............................................2-36
Running the Vehicle While Parked..................2-37
Section 2 Features and Controls
2-1

Rear Door Security Locks (Sedan)
Your vehicle has rear door security locks.
These prevent passengers from opening the
rear doors from the inside.
The rear door security
locks are located on
the inside edge of each
rear door. You must open
the rear doors to access
them. The label showing
lock and unlock positions
is located near the lock.To set the locks, do the following:
1. Insert the key into the security lock slot and
turn it so the slot is in the horizontal position.
2. Close the door.
When you want to open a rear door when the security
lock is on, do the following:
1. Unlock the door using the remote keyless entry
transmitter, if the vehicle has one, the power
door lock switch, or by lifting the rear door
manual lock.
2. Open the door from the outside.
To cancel the rear door security lock, do the following:
1. Unlock the door and open it from the outside.
2. Insert the key into the security lock slot and turn it
so the slot is in the vertical position.
Security Lock Label
shown
2-12

Remote Trunk Release
To open the trunk from
inside the vehicle, press
the remote trunk release
button located inside
the driver’s storage
compartment located on
the lower left side of
the instrument panel.
SeeInstrument Panel Overview on page 3-4or
Driver’s Storage Compartment on page 2-43.
The remote trunk release works when the ignition
is either off or in ACC/ACCESSORY, or the vehicle
speed is less than 2 mph (3 km/h).
Emergency Trunk Release Handle
Notice:Do not use the emergency trunk release
handle as a tie-down or anchor point when securing
items in the trunk as it could damage the handle.
The emergency trunk release handle is only
intended to aid a person trapped in a latched trunk,
enabling them to open the trunk from the inside.
There is a glow-in-the-dark emergency trunk release
handle located on the inside of the trunk lid of your
vehicle. This handle will glow following exposure to light.
Pull the release handle and push the trunk lid open
from the inside to open the trunk.
2-14

Theft-Deterrent Systems
Vehicle theft is big business, especially in some cities.
Although your vehicle has a number of theft-deterrent
features, we know that nothing we put on it can make
it impossible to steal.
Content Theft-Deterrent
Your vehicle may have
a content theft-deterrent
alarm system.
Arming the System
With the ignition off, you can arm the system by pressing
the remote keyless entry transmitter lock button.
The system will arm after either of these things occur:
Thirty seconds after all the doors are closed.
Sixty seconds with any door open.
If you press the lock button on the transmitter a second
time while all the doors are closed, the system will
arm immediately. The system will still arm in 60 seconds
if a door is open. When the open door is closed, it will
also become armed.The security light, located on the instrument panel cluster,
will turn on to indicate that arming has been initiated.
Once the system is armed, the security light will ash
once every three seconds.
If the security light is ashing twice per second, this
means that a door is open.
If you do not want to arm the system, you may lock the
car with the manual lock knobs on the doors.
Disarming the System
You can disarm the system by doing any one of the
following:
Press the remote keyless entry transmitter
unlock button.
Turn the ignition on.
If the system is armed and the trunk is opened using
the trunk release button on the transmitter, the system
will temporarily disarm itself and re-arm when the
trunk has been closed. This allows you to exit the
vehicle, lock the doors using the transmitter, and open
the trunk using the transmitter without having to
disarm and re-arm the system.
Once the system is disarmed, the security light will
stop ashing.
2-18

How the System Alarm is Activated
If the system is armed, it can be activated by either:
Opening the driver’s door or trunk. This will
cause a ten second pre-alarm chirp followed
by a thirty second full alarm of horn and lights.
Opening any other door. This will immediately cause
a full alarm of horn and lights for thirty seconds.
When an alarm event has nished, the system will
re-arm itself automatically.
How to Turn Off the System Alarm
To turn off the system alarm, do one of the following:
Press the lock button on the remote keyless
entry transmitter. The system will then re-arm itself.
Press the unlock button on the remote keyless entry
transmitter. This will also disarm the system.
Insert the key in the ignition and turn it on.
This will also disarm the system.
How to Detect a Tamper Condition
If you hear three chirps when you press the unlock,
lock, or trunk release buttons on the remote keyless
transmitter, it means that the content theft security
system alarm was previously activated.
PASS-Key®III+
The PASS-Key III+ system operates on a radio
frequency subject to Federal Communications
Commission (FCC) Rules and with Industry Canada.
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation.
This device complies with RSS-210 of Industry Canada.
Operation is subject to the following two conditions:
1. This device may not cause interference.
2. This device must accept any interference received,
including interference that may cause undesired
operation of the device.
Changes or modications to this system by other than
an authorized service facility could void authorization to
use this equipment.
PASS-Key III+ uses a radio frequency transponder in
the key that matches a decoder in your vehicle.
2-19

PASS-Key®III+ Operation
Your vehicle has PASS-Key®III+ (Personalized
Automotive Security System) theft-deterrent system.
PASS-Key
®III+ is a passive theft-deterrent system.
The system is automatically armed when the key
is removed from the ignition.
You do not have to manually arm or disarm the system.
The security light will come on if there is a problem
with arming or disarming the theft-deterrent system.
When the PASS-Key
®III+ system senses that someone
is using the wrong key, it prevents the vehicle from
starting. Anyone using a trial-and-error method to start
the vehicle will be discouraged because of the high
number of electrical key codes.
When trying to start the vehicle if the engine does not
start and the security light comes on, there may be
a problem with your theft-deterrent system. Turn
the ignition off and try again.If the engine still does not start, and the key appears to
be undamaged, try another ignition key. At this time,
you may also want to check the fuse, seeFuses
and Circuit Breakers on page 5-106. If the engine still
does not start with the other key, your vehicle needs
service. If your vehicle does start, the rst key may be
faulty. See your dealer/retailer who can service the
PASS-Key
®III+ to have a new key made. In an
emergency, contact Roadside Assistance. SeeRoadside
Assistance Program on page 7-7, for more information.
It may be possible for the PASS-Key
®III+ decoder
to “learn” the transponder value of a new or replacement
key. Up to 10 keys may be programmed for the
vehicle. The following procedure is for programming
additional keys only. If all the currently programmed
keys are lost or do not operate, you must see your
dealer/retailer or a locksmith who can service
PASS-Key
®III+ to have keys made and programmed
to the system.
See your dealer/retailer or a locksmith who can service
PASS-Key
®III+ to get a new key blank that is cut
exactly as the ignition key that operates the system.
2-20

To program the new key:
1. Verify that the new key has a
1stamped on it.
2. Insert the already programmed key in the ignition
and start the engine. If the engine will not start,
see your dealer/retailer for service.
3. After the engine has started, turn the key to
LOCK/OFF, and remove the key.
4. Insert the key to be programmed and turn it to
the ON/RUN position within ve seconds of the
original key being turned to the LOCK/OFF position.
The security light will turn off once the key has
been programmed.
5. Repeat Steps 1 through 4 if additional keys are to
be programmed.
If you are ever driving and the security light comes on
and stays on, you may be able to restart your engine if
you turn it off. Your PASS-Key
®III+ system, however,
is not working properly and must be serviced by
your dealer/retailer. Your vehicle is not protected by
the PASS-Key
®III+ system at this time.
If you lose or damage your PASS-Key
®III+ key,
see your dealer/retailer or a locksmith who can
service PASS-Key
®III+ to have a new key made.
Do not leave the key or device that disarms or
deactivates the theft deterrent system in the vehicle.
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:
Do not drive at any one constant speed, fast or
slow, for the rst 500 miles (805 km). Do not
make full-throttle starts. Do not exceed 5,000
engine rpm. 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 (Manual Transmission) on page 4-34
orTowing a Trailer (Automatic Transmission)
on page 4-34for the trailer towing capabilities
of your vehicle and more information.
Following break-in, engine speed and load can
be gradually increased.
2-21