Chevrolet 2005 SSR Pickup Owner's Manual page 50

If the front of your vehicle goes straight into a wall
that does not move or deform, the threshold level
for the reduced deployment is about 12 to 16 mph
(19 to 26 km/h), and the threshold level for a full
deployment is about 20 to 25 mph (32 to 40 km/h).
(The threshold level can vary, however, with specific
vehicle design, so that it can be somewhat above
or below this range.)
Airbags may inflate at different crash speeds.
For example:
•
If the vehicle hits a stationary object, the airbag
could inflate at a different crash speed than if
the object were moving.
•
If the object deforms, the airbag could inflate at a
different crash speed than if the object does not
deform.
•
If the vehicle hits a narrow object (like a pole) the
airbag 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
airbag could inflate at a different crash speed
than if the vehicle goes straight into the object.
1-44
The frontal airbags (driver and right front passenger)
are not intended to inflate during vehicle rollovers, rear
impacts, or in many side impacts because inflation
would not likely help the occupants.
Side impact airbags are designed 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 designed to inflate in frontal or near-frontal impacts,
rollovers or rear impacts, because inflation would not
likely help the occupant. A side impact airbag will
only 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
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.