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Airbag system
The airbag system operation is monitored
el
ectr
onically. The airbag contr
ol lamp will il-
luminate for a few seconds every time the ig-
nition is switched on (self-diagnosis).
There is a fault in the system if the control
lamp :
●
does not light up when the ignition is
switched on,
●
turns off after 4 seconds after the ignition is
switched on,
●
turns off and then lights up again after the
ignition is switched on,
●
illuminates or flashes while the vehicle is
moving.
The airbag system is not triggered if:
●
the ignition is switched off
●
there is a minor frontal collision
●
there is a minor side collision
●
there is a rear-end collision
●
the vehicle turns over.
WARNING
●
The seat belts and airbags can only pro-
vide maximum prot
ection if the occupants
are seated correctly
›››
page 60.
●
If a fault has occurred in the airbag sys-
tem, have the system checked immediately
by a specialised workshop. Otherwise
there is a danger that during a collision, the
system may fail to trigger, or not trigger
correctly.
Airbag activation
The airbags deploy extremely rapidly, within
thousandths of a second, to pro
vide addition-
al protection in the event of an accident.
The airbag system is only ready to function
when the ignition is on.
In special accidents instances, several air-
bags may activate at the same time.
In the event of minor head-on and side colli-
sions, rear-end collisions, overturning or roll-
over of the vehicle, airbags do not activate.
Activation factors
The conditions that lead to the airbag system
activating in each situation cannot be gener-
alised. Some factors play an important role,
such as the properties of the object the vehi-
cle hits (hard/soft), angle of impact, vehicle
speed, etc.
Deceleration trajectory is key for airbag acti-
vation.
The control unit analyses the collision trajec-
tory and activates the respective restraint
system.
If the deceleration rate is below the prede-
fined refer
ence value in the control unit the
airbags will not be triggered, even though the
accident may cause extensive damage to the
car.
The following airbags are triggered in seri-
ous head-on collisions:
●
Driver airbag.
●
Front passenger front airbag
●
Knee airbag for the driver.
The following airbags are triggered in seri-
ous side-on collisions:
●
Front side airbag on the side of the acci-
dent.
●
Rear side airbag on the side of the acci-
dent.
●
Curtain (head) airbag on the side of the ac-
cident.
In an accident with airbag activation:
●
the interior lights switch on (if the interior
light switch is in the courtesy light position);
●
the hazard warning lights switch on;
●
all doors are unlocked;
●
the fuel supply to the engine is cut.
73
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