Maserati GranTurismo Owner's Manual page 252

Driving and Driver Assistance Systems
The graphic intent is to represent at
the glance the system knowledge of
the lane in front of the car, the system
suppression status and warning.
For this a simple colour code has been
adopted for each line (of the two
presented):
• Both grey lines means system enable,
not able to operate (suppression
condition present or lane detection
system not able to estimate properly
the lane);
• Left/right grey line: the lane detection
system is not able to detect that
specific lane boundary;
• Yellow line: there is a steering torque
intervention in progress that tries to
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prevent a departure on that side, in this
situation the warning should increase
the driver attention requiring him to
properly handle the situation;
• Yellow flashing line: the graphic is
shown whenever the system detects
a very imminent lane departure, at
this can be added torque and steering
vibration if configured by the customer.
The white lines (one or both) indicates
that the corresponding lane boundary is
detected and the system is capable to
intervene on it.
Whenever the system is enabled there
will be graphic on the dedicated screen
of the "Driver Assist" page.
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An example of this screen with ALM
system activated, can be found in the
following figures.
ALM system is activated, car is crossing
the lane boundary, steering torque and
vibration if configured are in progress
when this graphic is shown.
The icons that represent the status of the
ADAS systems remain displayed in the
right digital dial when exiting the "Driver
Assist" screen.
System Limitations
Because of physical limits the system to
properly operate needs good visibility (it
might not work or not properly operate in
case of heavy rain, snow, wet roads, fog,
direct sun on the camera, etc.).
NOTE:
The sensors are not able to detect the
presence of the hands on the steering
wheel areas covered in wood, plastic
bezels or carbon inserts (where present).
Sharp turns, slopes and change in
slopes, poor lane boundaries, as
well as construction areas and all the
scenario described in this paragraph
may challenge the system, therefore be
always ready to prevent any unexpected
behaviour of the car.
Damaged front bumper, windshield
replaced without proper technical
intervention may also lead to system
malfunction or system unavailability.
Other conditions such as fault, but
not explicitly indicated here may
also prevent/interrupt the system
intervention.