Seat CUPRA LEON 2022 Owner's Manual page 53

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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
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 provide
maximum protection if the occupants are
››› 
page 40
seated correctly
.
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.
Airbag system
Safety
In special accidents instances, several airbags
may activate at the same time.
In the event of minor head-on and side col-
lisions, rear-end collisions, overturning or roll-
over 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 serious
head-on collisions:
Driver airbag.
Front passenger front airbag
Knee airbag for the driver.
Head airbags.
In the event of serious side collisions, some
(or all) of the following airbags can be acti-
vated (depending on the severity of the col-
lision):
Curtain (head) airbag on the side of the acci-
dent.
Front side airbag on the side of the accident.
Rear side airbag on the side of the accident.
Central airbag.
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;
in hybrid vehicles, the high voltage system is
switched off;
an emergency call is started.
Airbag system control lamps
Lights up on the instrument cluster
Fault in the airbag system and seat belt
tensioners. Have the system checked im-
mediately by a specialised workshop.
51

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