What Makes an Air Bag Inflate?
In an impact of sufficient severity, the air bag sensing
system detects that the vehicle is in a crash. For
both frontal and side impact air bags, the sensing
system triggers a release of gas from the inflator, which
inflates the air bag. The inflator, the air bag and
related hardware are all part of the air bag modules
inside the steering wheel, the instrument panel, and the
side of the front seatbacks closest to the door.
How
Does an
Air
Bag 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 air bag supplements the protection
provided by safety belts. Air bags distribute the force of
the impact more evenly over the occupant’s upper
body, stopping the occupant more gradually. But the
frontal air bags 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 air bag. Side impact air bags would not
help you in many types of collisions, including frontal
or near frontal collisions, rollovers, and rear impacts,
primarily because an occupant’s motion is not toward
those air bags. Air bags 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 driver’s and right front
passenger’s frontal air bags, and only in moderate to
severe side collisions for the driver’s and right front
passenger’s side impact air bag.
What Will
You
See After an Air Bag
Inflates?
After the air bag inflates, it quickly deflates, so quickly
that some people may not even realize the air bag
inflated. Some components of the air bag module
-
the
steering wheel hub for the driver’s air bag, the
instrument panel for the right front passenger’s bag, the
side of the seatback closest to the door for the driver
and right front passenger‘s side impact air
bags
-
will be hot for a short time. The parts of the bag
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 air bags. Air
bag inflation doesn’t prevent the driver from seeing
or being able to steer the vehicle, nor does it stop
people from leaving the vehicle.
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