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Driver assistance systems
Fig. 191
Schematic representation:
Sit
ua-
tion of an o
vertaking in the centre lane and
then moving into the right-hand lane.
Indica-
tion of the lane departure warning in the con-
trol lamp on the right side.
In the following situations, an indication will
be displ
ayed in the contr
ol lamp
›››
Fig. 190
(arrow) or
›››
Fig. 191 (arrow):
●
When being overtaken by another vehicle
›››
Fig. 190
.
●
When passing another vehicle
›››
Fig. 191
with a speed differential of approx. 10 km/h (6
mph). If the vehicle is passing at a considera-
bly higher speed, no indication will be dis-
played.
The faster the vehicle approaches, the soon-
er an indication will be displayed in the con-
trol lamp, because the lane departure warn-
ing takes into account the speed differential
with other vehicles. Thus even though the dis-
tance from the other vehicle is identical, the
indication will appear sooner in some cases
and later in others.
Physical limitations inherent to the system
In some situations the lane departure warning
may not interpret the traffic situation correct-
ly. I.e. in the following situations:
●
on tight bends;
●
in the case of lanes with different widths;
●
in areas with significant gradient changes;
●
in adverse weather conditions;
●
in the case of special constructions to the
side of the vehicle, e.g., high or irregular divid-
ers.
Rear cross traffic alert (RCTA)
Fig. 192
Schematic representation of the rear
cr
oss tr
affic alert assistant: zone monitored
around the vehicle while leaving a parking
space.
Park Assist uses the radar sensors on the rear
bumper
›
›
›
page 237 to monitor the traffic
crossing behind the vehicle as it backs out of
a parallel parking space or as it is being man-
oeuvred, for example in very low visibility con-
ditions.
When the system detects a relevant vehicle
on the road that is approaching the rear of
the vehicle
›››
Fig. 192, an acoustic alarm
may sound if the relevance so requires it.
In addition to the acoustic alarm, the driver is
also informed by means of a visual signal on
infotainment system display. This signal is dis-
played in the form of a red or yellow strip at
the back of the image of the vehicle on the in-
fotainment system screen. This strip displays
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