Buick 2003 Regal Specifications Page 62

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When
Should
an
Air
Bag Inflate?
The driver’s and right front passenger’s frontal air bags
are designed to inflate in moderate to severe frontal
or near-frontal crashes. But they are designed to inflate
only
if
the impact speed is above the system’s
designed “threshold level.”
If
the front of your vehicle goes straight into a wall that
doesn’t move or deform, the threshold level is about
12 to
18
mph
(1
9 to 29 km/h). The threshold level can
vary, however, with specific vehicle design,
so
that
it can be somewhat above or below this range.
If your vehicle strikes something that will move or
deform, such as a parked car, the threshold level will be
higher. The driver’s and right front passenger’s frontal
air bags are not designed to inflate in rollovers, rear
impacts, or in many side impacts because inflation
would not help the occupant.
Your vehicle may or may not have a side impact air
bag. See Air Bag Systems in the Index.
A
driver
’s
side
impact air bag is designed to inflate in moderate to
severe side crashes involving the driver’s door.
A
side
impact air bag will inflate
if
the crash severity is
above the system’s designed “threshold level.” The
threshold level can vary with specific vehicle design.
A
driver’s side impact air bag is not designed to inflate in
frontal or near-frontal impacts, rollovers or rear
impacts, because inflation would not help the occupant.
In any particular crash, no one can say whether an
air bag should have inflated simply because of
the damage to a vehicle or because of what the repair
costs were. For frontal air bags, inflation is determined
by the angle
of
the impact and how quickly the
vehicle slows down in frontal and near-frontal impacts.
For side impact air bags, inflation is determined by
the location and severity of the impact.
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 the frontal and side impact air bags, the sensing
system triggers a release of gas from the inflator, which
inflates the air bag. The inflator, air bag and related
hardware are all part of the air bag modules. Frontal air
bag modules are located inside the steering wheel
and instrument panel. For vehicles with a driver’s side
impact air bag, the air bag moules are located in
the seatback closest
to
the driver’s door.
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