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Driver information
29
Instrument panel
The dynamic road signs display records stand-
ar
d road signs using a camera fitted to the base
of the interior mirror, and provides information
about speed limits, overtaking prohibitions and
warning signs that it recognises.
Within its limitations, the system also displays
a additional sign to indicate aspects such as
temporary prohibitions. Even on routes without
signs, the system can, if necessary, display the
applicable speed limits.
The dynamic road sign display system is acti-
vated whenever the ignition is switched on.
The trac sign detection system does not work
in all countries. Keep this in mind when travel-
ling abroad.
Shown on the display
In Germany, on motorways and vehicle roads,
besides speed limits and overtaking provisions
the system also displays the end of prohibition
signs. The valid speed limit at the time in other
countries is always shown.
The road signs detected by the system are
displayed on the instrument cluster display
›››Fig.13 and, depending on the navigation
system fitted in the vehicle, in the infotainment
system as well .
Hazard warning signs are not displayed in the
infotainment system.
Road sign detection system messages:
There are no road signs available
●
The system is in its start-up phase.
●
OR: the camer
a has not recognized any man-
datory or prohibitive signs.
Error: Dynamic road sign display
●
There is a fault in the system. Have the system
checked by a specialised workshop.
Speed warning is currently unavail-
able
●
The speed warning function of the road sign
detection system is faulty. Have the system
checked by a specialised workshop.
Dynamic road sign display: Clean
the windscreen!
●
The windscreen is dirty in the camera area
or the camera’s visibility is impaired by weather
conditions. Clean the windscreen.
Dynamic road sign display: Cur-
rently restricted
●
The navigation system is not transmitting
data. Check if the navigation system has upda-
ted maps.
●
OR: the vehicle is in a region not included on
the navigation system's map.
No data available
●
The trac sign detection system does not
work in the current country.
Display of trac signs
After checking and evaluating the information
from the camera, the infotainment system and
actual vehicle data, the system displays up
to two current road signs, and a generic addi-
tional sign ›››Fig.13:
●
First: The sign that is currently valid for the
driver is displayed on the left hand side of
the screen, e.g. a prohibition of driving at over
130km/h (80mph).
●
Second: Another trac sign, such as a warn-
ing sign, can be displayed in second place.
●
Additional sign: If the windscreen wiper is
working while you are driving, the signal with
the additional rain sign will be shown first, on
the left, as it is the one that is applicable at the
time. A sign valid only with restrictions, e.g. no
overtaking at certain times, may be displayed.
The warning sign display is not available in all
countries and the system may not be able to
detect all existing warning signs.
Speed warning
If the system detects that the permitted speed
is exceeded, it may warn the driver with a
“gong” and visually with a message on the
dash panel display.
The speed warning can be set or deactivated
completely in the menu
> Assistants >
Driver alerts > Road sign detection
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