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50
Safety
●
Head airbag
●
Airbag control lamp
on the instrument
panel ›››page51
●
Key-operated switch for front passenger air-
bag
●
Control lamp for disabled/enabled status of
the fr
ont passenger airbag.
The airbag system operation is monitored elec-
tronically. The airbag control lamp will illumi-
nate for a few seconds every time the ignition 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 ›››page51,
●
turns o aft
er 4 seconds after the ignition is
switched on,
●
turns o and then lights up again after the
ignition is switched on,
●
illuminates or flashes while the vehicle is mov-
ing.
The airbag system is not triggered if:
●
the ignition is switched o
●
there is a minor frontal collision
●
there is a minor side collision
●
there is a rear-end collision
●
in the event of the vehicle overturning if the
dynamic characteristics measured by the con-
trol unit are too low,
●
the impact speed is lower than the reference
value programmed in the control unit.
WARNING
●
The seat belts and airbags can only pro-
vide maximum pr
otection if the occupants
are seated correctly ›››page39.
●
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
thousands of a second, to provide additional
protection in the event of an accident. A fine
dust may develop when the airbag deploys.
This is normal and it is not an indication of fire in
the vehicle.
The airbag system is only ready to function
when the ignition is on.
In special accidents instances, several airbags
may activate at the same time.
In the event of minor head-on and side colli-
sions, rear-end collisions, overturning or rollover
of the vehicle, airbags do not activate.
Airbags only activate if the vehicle overturns in
the hybrid plug-in version of the vehicle.
Activation factors
The conditions that lead to the airbag system
activating in each situation cannot be general-
ised. Some factors play an important role, such
as the properties of the object the vehicle hits
(hard/soft), angle of impact, vehicle speed, etc.
Deceleration trajectory is key for airbag activa-
tion.
The control unit analyses the collision trajec-
tory and activates the respective restraint sys-
tem.
If the deceleration rate is below the predefined
reference 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:
●
Curtain (head) airbag on the side of the acci-
dent.
●
Front side airbag on the side of the accident.
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