Buick 2002 Rendezvous Bedienungshandbuch PDF herunterladen (Seite 54)

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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.”

In addition, your vehicle has “dual stage” frontal air

bags, which adjust the amount of restraint according

to crash severity. For moderate frontal impacts, these

air bags 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 doesn’t move or deform, the threshold level for

the reduced deployment is about 12 to 18 mph

(19 to 29 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.

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.

The side impact air bags are designed to inflate in

moderate to severe side crashes. 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. Side impact air bags are not

designed to inflate in frontal or near

-frontal impacts,

rollovers or rear impacts, because inflation would not

help the occupant. A side impact air bag will only

deploy on the side of the vehicle that is struck.

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

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 inside the steering

wheel, instrument panel and the side of the front

seatbacks closest to the door.

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