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Driving
Using a camera located at the top of the
windscreen to identify lane markings on the
road and at the edges of the road (depending
on version), the system corrects the trajectory
of the vehicle while alerting the driver if it
detects a
risk of unintentionally crossing a line
or hard shoulder (depending on version).
This system is particularly useful on motorways
and main roads.
Conditions for operation
- The speed of the vehicle must be between
40 and 112 mph (65 and 180 km/h).
- The traffic lane must be delimited by
a dividing line.
- The driver must hold the wheel with both
hands.
The system helps the driver only when
there is a
risk of the vehicle involuntarily
wandering from the lane it is being driven
in. It does not manage the safe driving
distance, the speed of the vehicle or the
brakes.
The driver must hold the steering wheel
with both hands in a way that allows
control to be maintained in circumstances
where the system is not able to intervene
(for example, if the dividing line marking
disappears).
Operation
Once the system identifies a risk of the vehicle
involuntarily crossing one of the lane markings
detected or a lane limit (e.g. grass border),
it makes the correction to the trajectory
necessary to return the vehicle to its initial path.
The driver will notice a
turning movement of the
steering wheel.
This warning lamp flashes during
trajectory correction.
The driver can prevent the correction by
keeping a
firm grip on the wheel (during
an avoiding manoeuvre, for example).
The correction is interrupted if the
direction indicators are operated.
While the direction indicators are on and for
a few seconds after switching them off, the
system considers that any change of trajectory
is voluntary and no correction is triggered
during this period.
However, with the Blind Spot Detection system
activated, if the driver starts changing lanes
and another vehicle is detected in the vehicle's
blind spot, the system will correct the trajectory
of the vehicle even though the direction
indicators are on.
For more information on the Blind Spot
Detection, refer to the corresponding section.
Active Lane Departure
Warning System
Refer to the General recommendations on
the use of driving and manoeuvring aids.
-
The change of trajectory must not be
accompanied by operation of the direction
indicators.
-
The ESC system must be activated and not
faulty.
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