Chevrolet Silverado 2005 Spécifications télécharger pdf (Page 72)

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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. Inﬂation

is determined by the angle of the impact and how quickly

the vehicle slows down in frontal or near-frontal impacts.

The airbag system is designed to work properly under a

wide range of conditions, including off-road usage.

Observe safe driving speeds, especially on rough

terrain. As always, wear your safety belt. See Off-Road

Driving on page 4-20 for more tips on off-road driving.

Single Stage vs. Dual Stage Airbags

Depending on the weight of your vehicle you will have

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

Vehicles that have a passenger sensing system

also have dual stage airbags. If the rearview mirror in

your vehicle has a passenger airbag status indicator

printed on it, your vehicle has the passenger sensing

system and therefore, it has dual stage airbags. If

the rearview mirror in your vehicle does not have a

passenger airbag status indicator printed on it, then your

vehicle does not have the passenger sensing system

and it has single stage airbags. See Passenger

Airbag Status Indicator on page 3-36 or Passenger

Sensing System on page 1-72.

Dual Stage Airbags

If your vehicle has frontal airbags with dual stage

deployment, the amount of restraint will adjust 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.)

Vehicle’s 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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Chevrolet Silverado 2005 Spécifications Page 72

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