Chevrolet 2006 Avalanche Spezifikationen PDF herunterladen (Seite 64)

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 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 10 to 16 mph (16 to 25 km/h), and the threshold

level for a full deployment is about 20 to 30 mph

(32 to 48 km/h). (The threshold level can vary, however,

with speciﬁc vehicle design, so that it can be somewhat

above or below this range.)

Frontal airbags may inﬂate at different crash speeds.

For example:

• If the vehicle hits a stationary object, the airbags

could inﬂate at a different crash speed than if the

vehicle hits a moving object.

• If the vehicle hits an object that deforms, the

airbags could inﬂate at a different crash speed than

if the vehicle hits an object that does not deform.

• If the vehicle hits a narrow object (like a pole) the

airbags 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

airbags could inﬂate at a different crash speed

than if the vehicle goes straight into the object.

The frontal airbags (driver and right front passenger) are

not intended to inﬂate during vehicle rollovers, rear

impacts, or in many side impacts.

Vehicles with dual stage airbags are also equipped with

special sensors which enable the sensing system to

monitor the position of both the driver and passenger

front seats. The seat position sensor provides

information which is used to determine if the airbags

should deploy at a reduced level or at full deployment.

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