Maserati GranTurismo Owner's Manual page 243

When a vehicle goes from a location
with left hand drive traffic to a location
with right hand drive traffic, the ACC
system will automatically detect traffic
direction. In this condition, overtake aid
is active only when passing on the right
side of the target vehicle. This additional
acceleration is triggered when the driver
utilises the right turn signal to start
overtaking. In this condition the ACC
system will no longer provide Overtake
Aid on the left side until it determines
that the vehicle has moved back to a
location with left hand drive traffic.
System Operation Before and
During Stop
If an ACC host vehicle follows a target
vehicle to a standstill, after two
seconds the system will not be able to
autoresume.
In this condition, displays an instruction
message pop up for 5 seconds and the
driver have to press the accelerator
pedal or resume the ACC speed by
acting on the button (RES).
While ACC with Stop is holding your
vehicle at a standstill, if the driver
unbuckles the seatbelt or opens the
door, the ESC system will activate the
EPB and cancels the ACC status.
WARNING!
• When the Adaptive Cruise Control
(ACC) system is resumed, the driver
must ensure that there are no
pedestrians, vehicles or objects in the
path of the vehicle. Failure to follow
these warnings can result in a collision
and death or serious personal injury.
• During the automatic stopping behind
a vehicle in some rare cases it may
happen that the system does not
recognize the rearmost point of the
vehicle ahead but a target under the
vehicle ahead (e.g. the back axle
of a truck with a high loading edge
or a bumper of a vehicle although
overhanging load is hanging over
the vehicle's rear). In these cases
the system cannot guarantee the
appropriate stopping distance leading
to collision in the worst case. For this
reason the driver has to be attentive
and ready to brake during automatic
stops.
Display Warnings and
Maintenance of ACC and FCW
Systems
Wipe Front Radar Sensor Warning
This warning will display and also a
chime will indicate when conditions
temporarily limit system performance
Driving and Driver Assistance Systems
due to sensor poor or failed signal
reception. This most often occurs
at times of poor visibility, such as in
snow or heavy rain. The ACC and FCW
systems may also become temporarily
blinded due to obstructions, such as
mud, dirt or ice on the radar sensor. In
these cases, the system will be disabled.
This message can sometimes be
displayed while driving in highly
reflective areas (i.e. tunnels with
reflective tiles, or ice and snow). The
ACC and FCW systems will recover
operation after the vehicle has left these
areas. Under rare conditions, when the
radar is not tracking any vehicles or
objects in its path this warning may
temporarily occur.
If weather conditions are not a factor,
the driver should examine the sensor.
It may require cleaning or removal of
an obstruction. The sensor is located in
the centre of the front grille, behind the
Maserati trident.
To keep the ACC System operating
properly, it is important to note the
following maintenance items:
• Always keep the sensor clean. Carefully
wipe the sensor lens with a soft cloth.
Be cautious not to damage it.
• Do not remove any screws from the
sensor. Doing so could cause an ACC
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