1994 Oldsmobile Achieva Owner's Manual - Page 27

1994 Oldsmobile Achieva Manual

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1 PTlON CENTER / How The Air Bag System Works Where is the air bag? The driver's air bagis in the middle of the steering wheel. When is an air bag expected to inflate? The air bag is designed inflate in to moderate to severe frontal or nearfrontal crashes.The air bag will only inflate if the velocity of the impact is above the designed threshold level. When impacting straight a wallthat into does not move or deform, the threshold level for mostGM vehicles is between9 and 15 mph (14 and 23 lun/h). However, this velocity threshold depends on thevehicle designand may be several miles-per-hour faster or slower. In addition, this threshold Air Bag Readiness Light There is an air bag readiness light on the instrument panel, which shows AIR BAG. The system checks for electrical malfunctions, and thelight tells youif there is a problem. You will see this light flash for a few seconds when you turn your ignition to Run or Start. Then the light should go out, which means the system is ready. Remember, if the air bag readiness light doesn't come on whenyou start your vehicle, or stays on, or comes on when you are driving, your air bag system may not work properly. Have your vehicle serviced right away. l ~ if velocity will be considerably higher the vehicle strikes an object such as a parked car which will move and deform on impact. The air bag is also designed not to inflate in rollovers, side impacts, or rear impacts where inflation would the provide no occupant protection benefit. In any particular crash, the determination of whether the air bag should have inflated cannot be based solely on thelevel of damage on the vehicle(s). Inflation is determined by the angle of the impact and the vehicle's deceleration, of which vehicle damage is only one indication. Repair cost isnot a good indicator of whether an air bag should have deployed. What makes an air bag inflate? In a frontal impactof sufficient severity, the air bag sensing system detects that the vehicle is suddenly stopping as a result of a crash. Thesensing system triggers a chemical reaction of the sodium azide sealed in the inflator. The reaction produces nitrogen gas, which inflates the cloth bag. The inflator, cloth bag, and related hardware are all part of the air bag inflator module packed inside the steering wheel. 25

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1
PTlON
CENTER
/
Air
Bag
Readiness
Light
There is an air
bag readiness light on
the
instrument panel, which shows
AIR
BAG.
The system
checks
for
electrical
malfunctions, and
the light
tells
you if
there is
a
problem.
You
will see this light
flash
for
a
few
seconds when you turn your
ignition to
Run
or
Start.
Then
the light should go
out, which means the system
is
ready.
Remember, if the air
bag readiness light
doesn’t come on
when you start your
vehicle, or stays on, or comes on when
you are driving, your air
bag
system
l
may not work properly.
Have
your
~
vehicle
serviced
right
away.
How
The
Air
Bag
System
Works
Where is the air
bag?
The driver’s
air
bag
is in the middle of
the steering wheel.
When is
an
air
bag
expected to inflate?
The air
bag
is
designed
to inflate
in
moderate to severe
frontal
or
near-
frontal
crashes. The air
bag
will
only
inflate
if
the velocity
of
the impact
is
above the designed
threshold
level.
When
impacting
straight
into a
wall that
does not move
or
deform, the threshold
level for
most
GM
vehicles
is
between
9
and
15
mph
(14
and
23
lun/h).
However, this velocity
threshold
depends on
the vehicle
designand may
be
several
miles-per-hour
faster
or
slower. In addition, this threshold
velocity
will be
considerably
higher
if
the
vehicle
strikes an object
such as a
parked
car
which
will
move
and
deform
on
impact. The air
bag
is
also
not designed
to inflate
in
rollovers,
side
impacts,
or
rear
impacts
where
the inflation
would
provide no occupant
protection
benefit.
In any particular crash,
the
determination of whether the air
bag
should have
inflated cannot be based
solely on
the
level of damage on
the
vehicle(s)
.
Inflation
is determined by
the angle of the impact and the vehicle’s
deceleration,
of
which vehicle
damage
is
only one indication. Repair
cost
is not a
good indicator of whether an air
bag
should have
deployed.
What
makes
an
air
bag inflate?
In a
frontal
impact
of
sufficient
severity,
the air
bag sensing system detects that
the vehicle is suddenly stopping as a
result of a crash.
The sensing system
triggers
a
chemical reaction
of
the
sodium azide sealed
in the inflator. The
reaction produces nitrogen
gas, which
inflates the cloth bag. The inflator,
cloth
bag, and related hardware are all part of
the air
bag
inflator
module
packed
inside the steering wheel.
25