CHEVROLET AVEO 2002 Service Repair Manual

{CAUTION:
Anyone who is up against, or very close to,
any airbag when it inates can be seriously
injured or killed. Airbags plus lap-shoulder
belts offer the best protection for adults, but
not for young children and infants. Neither the
vehicle’s safety belt system nor its airbag
system is designed for them. Young children
and infants need the protection that a child
restraint system can provide. Always secure
children properly in your vehicle. To read how,
seeOlder Children on page 1-30orInfants and
Young Children on page 1-32.There is an airbag
readiness light on the
instrument panel cluster,
which shows the airbag
symbol.
The system checks the airbag electrical system for
malfunctions. The light tells you if there is an electrical
problem. SeeAirbag Readiness Light on page 3-32
for more information.
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Where Are the Airbags?
The driver’s airbag is in the middle of the steering
wheel.The right front passenger’s airbag is in the instrument
panel on the passenger’s side.
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If your vehicle has one, the driver’s side impact airbag
is in the side of the driver’s seatback closest to the door.If your vehicle has one, the passenger’s side impact
airbag is in the side of the passenger’s seatback closest
to the door.
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{CAUTION:
If something is between an occupant and an
airbag, the airbag might not inate properly or
it might force the object into that person
causing severe injury or even death. The path
of an inating airbag must be kept clear. Do
not put anything between an occupant and an
airbag, and do not attach or put anything on
the steering wheel hub or on or near any other
airbag covering. Do not let seat covers block
the ination path of a side impact airbag.
When Should an Airbag Inate?
The driver’s and right front passenger’s frontal airbags
are designed to inflate in moderate to severe frontal
or near-frontal crashes. But they are designed to inflate
only if the impact exceeds a predetermined deployment
threshold. Deployment thresholds take into account
a variety of desired deployment and non-deployment
events and are used to predict how severe a crash
is likely to be in time for the airbags to inflate and help
restrain the occupants. Whether your frontal airbags
will or should deploy is not based on how fast your
vehicle is traveling. It depends largely on what you hit,
the direction of the impact and how quickly your
vehicle slows down.
If the front of your vehicle goes straight into a wall that
does not move or deform, the threshold level is
about 9 to 14 mph (14 to 23 km/h). (The threshold level
can vary, however, with specific vehicle design, so
that it can be somewhat above or below this range.)
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Frontal airbags may inflate at different crash speeds.
For example:
•If the vehicle hits a stationary object, the airbags
could inflate at a different crash speed than if the
vehicle hits a moving object.
•If the vehicle hits an object that deforms, the
airbags could inflate at a different crash speed than
if the vehicle hits an object that does not deform.
•If the vehicle hits a narrow object (like a pole) the
airbags could inflate at a different crash speed
than if the vehicle hits a wide object (like a wall).
•If the vehicle goes into an object at an angle the
airbags could inflate at a different crash speed
than if the vehicle goes straight into the object.
The frontal airbags (driver and right front passenger)
are not intended to inflate during vehicle rollovers,
rear impacts, or in many side impacts.Your vehicle may or may not have a side impact airbag.
SeeAirbag System on page 1-56. Side impact airbags
are intended to inflate in moderate to severe side
crashes. A side impact airbag will inflate if the crash
severity is above the system’s designed “threshold
level.” The threshold level can vary with specific vehicle
design. Side impact airbags are not intended to
inflate in frontal or near-frontal impacts, rollovers or rear
impacts. A side impact airbag is intended to deploy
on the side of the vehicle that is struck.
In any particular crash, no one can say whether an
airbag should have inflated simply because of the
damage to a vehicle or because of what the repair costs
were. For frontal airbags, inflation is determined by
what the vehicle hits, the angle of the impact, and how
quickly the vehicle slows down in frontal and
near-frontal impacts. For side impact airbags, inflation is
determined by the location and severity of the impact.
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What Makes an Airbag Inate?
In an impact of sufficient severity, the airbag sensing
system detects that the vehicle is in a crash. The sensing
system triggers a release of gas from the inflator, which
inflates the airbag. The inflator, the airbag and related
hardware are all part of the airbag modules. Frontal
airbag modules are located inside the steering wheel and
instrument panel. For seating positions with side impact
airbags, there are also airbag modules in the side of the
seatbacks closest to the door.
How Does an Airbag Restrain?
In moderate to severe frontal or near frontal collisions,
even belted occupants can contact the steering wheel or
the instrument panel. In moderate to severe side
collisions, even belted occupants can contact the inside
of the vehicle. The airbag supplements the protection
provided by safety belts. Airbags distribute the force of
the impact more evenly over the occupant’s upper body,
stopping the occupant more gradually. But the frontal
airbags would not help you in many types of collisions,
including rollovers, rear impacts, and many side impacts,
primarily because an occupant’s motion is not toward the
airbag. Side impact airbags would not help you in many
types of collisions, including many frontal or near frontal
collisions, and rear impacts, primarily because an
occupant’s motion is not toward those airbags. Airbags
should never be regarded as anything more than a
supplement to safety belts, and then only in moderate to
severe frontal or near-frontal collisions for the frontal
airbags, and only in moderate to severe side collisions for
vehicles with a side impact airbag.
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What Will You See After an Airbag
Inates?
After the airbag inflates, it quickly deflates, so quickly
that some people may not even realize the airbag
inflated. Some components of the airbag module may
be hot for a short time. These components include
the steering wheel hub for the driver’s frontal airbag and
the instrument panel for the right front passenger’s
frontal airbag. For seating positions with side impact
airbags, the side of the seatback closest to the door may
be hot. The parts of the airbag that come into contact
with you may be warm, but not too hot to touch.
There will be some smoke and dust coming from the
vents in the deflated airbags. Airbag inflation does
not prevent the driver from seeing out of the windshield
or being able to steer the vehicle, nor does it stop
people from leaving the vehicle.
{CAUTION:
When an airbag inates, there is dust in the
air. This dust could cause breathing problems
for people with a history of asthma or other
breathing trouble. To avoid this, everyone in
the vehicle should get out as soon as it is safe
to do so. If you have breathing problems but
cannot get out of the vehicle after an airbag
inates, then get fresh air by opening a
window or a door. If you experience breathing
problems following an airbag deployment, you
should seek medical attention.
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In many crashes severe enough to inflate an airbag,
windshields are broken by vehicle deformation.
Additional windshield breakage may also occur from the
right front passenger airbag.
•Airbags are designed to inflate only once. After an
airbag inflates, you will need some new parts for
your airbag system. If you do not get them,
the airbag system will not be there to help protect
you in another crash. A new system will include
airbag modules and possibly other parts. The
service manual for your vehicle covers the need to
replace other parts.
•Your vehicle is equipped with a crash sensing and
diagnostic module which records information after
a crash. SeeVehicle Data Collection and Event
Data Recorders on page 7-10.
•Let only qualified technicians work on your airbag
system. Improper service can mean that an
airbag system will not work properly. See your
dealer for service.
Passenger Sensing System
Your vehicle has a passenger sensing system for the
right front passenger position. The passenger airbag
status indicator will be visible when you turn your ignition
key to ON or START. The airbag off symbol will be
visible near the clock, located in the center of the
instrument panel during the system check. When the
system check is complete, the airbag off symbol will be
visible under certain conditions. SeePassenger
Airbag Status Indicator on page 3-26.
The passenger sensing system will turn off the right
front passenger’s frontal airbag and side airbag (if
equipped) under certain conditions. The driver’s frontal
airbag and driver’s side airbag (if equipped) are not
part of the passenger sensing system.United States
Canada
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The passenger sensing system works with a sensor
that is part of the right front passenger’s seat cushion.
The sensor is designed to detect the presence of a
properly-seated occupant and determine if the
passenger’s frontal airbag and side impact airbag
(if equipped) should be enabled (may inflate) or not.
Accident statistics show that children are safer if
they are restrained in the rear, rather than the front
seat. General Motors recommends that child restraints
be secured in a rear seat, including an infant riding
in a rear-facing infant seat, a child riding in a
forward-facing child seat, and an older child riding in a
booster seat.
Your vehicle has a rear seat that will accommodate a
rear-facing child restraint. 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 passenger’s frontal
airbag and side airbag (if equipped) 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. General Motors recommends that
rear-facing child restraints be secured in the
rear seat, even if the airbag or airbags are off.
If you need to 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 and side airbag
(if equipped) 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 forward-facing 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
passenger’s frontal airbag and side airbag (if equipped),
the off symbol near the clock will light and stay lit to
remind you that the airbag or airbags are off. See
Passenger Airbag Status Indicator on page 3-26.If a child restraint has been installed and the off symbol
is not 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 1-51.
If after reinstalling the child restraint and restarting the
vehicle, the off symbol is still not 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.
If the off symbol is still not lit, secure the child in the
child restraint in a rear seat position in the vehicle and
check with your dealer.
The passenger sensing system is designed to enable
(may inflate) the right front passenger’s frontal
airbag and side airbag (if equipped) 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 or airbags to
be enabled, the off symbol will not light.
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