Chevrolet TORRENT - NAVIGATION SYSTEM 2008 Spezifikationen PDF herunterladen (Seite 66)

Roof-rail airbags are not intended to inﬂate in frontal

impacts, near-frontal impacts, or rear impacts. Both

roof-rail airbags will deploy when either side of

the vehicle is struck or if the sensing system predicts

that the vehicle is about to roll over.

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

what the vehicle hits, the angle of the impact, and how

quickly the vehicle slows down. For roof-rail airbags,

deployment is determined by the location and severity of

the side impact. In a rollover event, roof-rail airbag

deployment is determined by the direction of the roll.

What Makes an Airbag Inﬂate?

In a deployment event, the sensing system sends an

electrical signal triggering a release of gas from

the inﬂator. Gas from the inﬂator ﬁlls the airbag causing

the bag to break out of the cover and deploy. The

inﬂator, the airbag, and related hardware are all part of

the airbag module.

Frontal airbag modules are located inside the steering

wheel and instrument panel. For vehicles with

roof-rail airbags, there are airbag modules in the ceiling

of the vehicle, near the side windows that have

occupant seating positions.

How Does an Airbag 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.

Airbags supplement the protection provided by safety

belts. Frontal airbags distribute the force of the

impact more evenly over the occupant’s upper body,

stopping the occupant more gradually. Roof-rail airbags

distribute the force of the impact more evenly over

the occupant’s upper body.

Rollover capable roof-rail airbags are designed to help

contain the head and chest of occupants in the

outboard seating positions in the ﬁrst and second rows.

The rollover capable roof-rail airbags are designed to

help reduce the risk of full or partial ejection in rollover

events, although no system can prevent all such

ejections.

But airbags would not help in many types of collisions,

primarily because the occupant’s motion is not

toward those airbags. See When Should an Airbag

Inﬂate? on page 1-61 for more information.

Airbags should never be regarded as anything more

than a supplement to safety belts.

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