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DRIVER SUPPORT
* Option/accessory.
330
•
signs partially or fully covered by frost, snow
and/or dirt
•
digital road maps
96
that are outdated, incor-
rect or do not contain speed information
97
.
NOTE
Certain types of bike carriers that are con-
nected to the trailer socket may be interpre-
ted as a connected trailer by the RSI function.
In such cases, the instrument panel may indi-
cate incorrect speed information.
NOTE
The function uses the vehicle's camera unit,
which has some general limitations – see the
section "Camera unit limitations".
Related information
•
Road Sign Information* (p. 325)
Driver Alert Control
The Driver Alert Control (DAC) function is
designed to help capture the driver become
aware of erratic behavior, e.g. if the driver is dis-
tracted or showing signs of fatigue.
The objective of DAC is to detect slowly deterio-
rating driving behavior and is primarily intended to
be used on major roads. The function is not
intended for use in city traffic.
DAC is activated when the vehicle's speed
exceeds 65 km/h (40 mph) and remains active
as long as speeds are above 60 km/h (37 mph).
A camera monitors the traffic lane's marker lines
and compares the direction of the road with the
driver's movements of the steering wheel.
If the driving behavior becomes
noticeably erratic, the driver will
be alerted by this symbol in the
instrument panel and the mes-
sage
Time for a break
soon?.
If driving behavior does not improve but instead
becomes even more erratic, the driver will be
alerted by the same symbol in the instrument
panel, an audible signal and the message
Time
for a break.
If the Rest Stop Guidance function is activated
in Sensus Navigation* when the
Time for a
break warning is given, suggestions will also be
provided for suitable places to take a break.
96
Vehicles equipped with Sensus Navigation.
97
Map data and speed information is not available for all areas.
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