Chevrolet Cobalt 2005 Spezifikationen PDF herunterladen (Seite 59)

When Should an Airbag Inﬂate?

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.

In addition, your vehicle has “dual-stage” frontal airbags,

which adjust the restraint according to crash severity.

Your vehicle is equipped with electronic frontal sensors

which help the sensing system distinguish between a

moderate frontal impact and a more severe frontal

impact. For moderate frontal impacts, these airbags

inﬂate at a level less than full deployment. For

more severe frontal impacts, full deployment occurs. 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 18 to 24 mph (29 to 38.5 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.

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 side impact airbags.

See Airbag System on page 1-48. 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.

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