Chevrolet 2010 Express Bedienungsanleitung PDF herunterladen (Seite 90)

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.

Thresholds can also vary with speciﬁc vehicle design.

Frontal airbags are not intended to inﬂate during vehicle

rollovers, rear impacts, or in many side impacts.

Single Stage vs. Dual Stage Airbags

Depending on the weight of the vehicle, you will have

either “Single Stage Airbags” or “Dual Stage Airbags.”

Vehicles that have a passenger sensing system

also have dual stage airbags. See Passenger Airbag

Status Indicator on page 4-25 or Passenger Sensing

System on page 2-73.

If the GVWR (Gross Vehicle Weight Rating) of the

vehicle is 8,500 lb (3 855 kg) or above, the vehicle may

have single stage airbags. If the GVWR is below

8,500 lb (3 855 kg) then the vehicle may have dual

stage airbags. You can ﬁnd the GVWR on the

certiﬁcation label on the rear edge of the driver door.

See Loading the Vehicle on page 5-19 for more

information.

In addition, the vehicle may have dual-stage frontal

airbags. Dual-stage airbags adjust the restraint according

to crash severity. The vehicle has electronic frontal

sensors, which help the sensing system distinguish

between a moderate frontal impact and a more severe

frontal impact. For moderate frontal impacts, dual-stage

airbags inﬂate at a level less than full deployment. For

more severe frontal impacts, full deployment occurs.

The vehicle may or may not have roof-rail airbags. See

Airbag System on page 2-60. Roof-rail airbags are

intended to inﬂate in moderate to severe side crashes.

In addition, these roof-rail airbags are intended to

inﬂate during a rollover. Roof-rail airbags will inﬂate if

the crash severity is above the system’s designed

threshold level. The threshold level can vary with

speciﬁc vehicle design.

Roof-rail airbags are not intended to inﬂate in frontal

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

roof-rail airbags will deploy when either side of the

vehicle is struck.

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