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52
Safety
For the sake of the environment
Airbag modules and belt tensioners may
cont
ain perchlorate.
Observe the legal requirements for their dis-
posal.
PreCrash system
How it works
The PreCrash system is an assistance system
that actives a series of measures to protect the
occupants of the vehicles in potentially risky
situations, but which cannot prevent a collision.
It only works completely if no special driving
profile is selected and if there are no operating
anomalies.
Basic features
Depending on the legal provisions of the coun-
try and the features of the vehicle, in critical
situations (e.g. in certain cases of emergency
braking or loss of control of the vehicle by the
driver) the following functions can be activated
separately or at the same time when the vehi-
cle is travelling faster than approximately 30
km/h (20 mph).
●
Reversible tensioning of front seat belts that
ar
e fastened.
●
Operation of the hazard warning lights.
●
Automatic closing of the windows until they
ar
e just cracked open and, depending on the
equipment, of the sunroof.
●
In the event of overturning, depending on the
equipment, activation of the belt tensioners.
Depending on how critical the driving situation
is, the belts are either tightened individually, or
both belts at the same time.
In addition to Front Assist
In vehicles with Front Assist ›››page191, within
the limits of the system, information is assessed
on the risk of collision with the vehicle in front.
The functions of the PreCrash system may also
be activated if there is a high likelihood of a
rear-end collision, or during the activation of
Front Assist.
In addition to the Emergency Assist system
In vehicles with emergency assist, driver status
information is assessed within the limitations of
this system. The following PreCrash systems
may be activated if a lack of activity is detec-
ted:
●
Reversible seat belt tensioning of the driver's
seat belt.
●
Automatic closing of the windows until they
are just cracked open and, depending on the
equipment, of the sunroof.
Activation of the PreCrash system
The PreCrash system can be partially deac-
tivated by deactivating the traction and/or
stability control, depending on the equip-
ment. When these vehicle safety controls are
switched on (by default, every time the ignition
is turned on), the system is fully activated.
Driving profile selection settings
In vehicles with driving profile selection, Pre-
Crash adapts to suit the special vehicle
configuration of the corresponding profile
›››page169.
Limited operation
The PreCrash system is not available or only
has limited availability in the following situa-
tions:
●
When the TCS and/or ESC is o.
●
When driving in reverse.
●
When the airbag control unit is not operating
properly.
●
When there is a fault in the system itself, in the
ESC or in the Front Assist.
Troubleshooting
If the PreCrash is not working correctly, the
message System unavailable or System
with limited functions is shown perma-
nently on the instrument cluster screen. Get the
system checked by a SEAT Ocial Service.
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