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CONTROLS
ditions. Observe the traffic situation and inter‐
vene actively if the situation warrants it.
Operating requirements
The road layout ahead must be unambiguously
indicated by road signs.
Overview
Sensors
Depending on the equipment, the system is con‐
trolled by the following sensors:
▷
Camera behind the windscreen.
For further information:
Sensors in the vehicle, see page 48.
Turning on the Wrong-way Warning
The Wrong-way Warning is automatically activa‐
ted at the start of each journey.
Warning function
A warning is displayed and an acoustic
signal sounds, for example when the ve‐
hicle is travelling in the wrong direction
on a motorway, roundabout or one-way street.
Warnings are displayed in the instrument cluster
and, depending on the equipment, in the Head-
up display.
System limits
Safety note
WARNING
The system may not respond at all, or may re‐
spond too late, incorrectly or without justifica‐
tion due to system limitations. There is a risk of
accident or material damage. Observe the in‐
formation on the system limits and intervene
actively if necessary.
216
Safety
Online Edition for Part no. 01405A38CB9 - VI/21
No Warning
The system provides no warning if the road lay‐
out is not indicated by road signs, for example.
System limits of the sensors
For further information:
▷
Camera, see page 48.
Functional limitations
The system may have restricted functionality, or
give no Wrong-way Warning at all, in situations
such as the following:
▷
If the road signs are ambiguous.
▷
If the road signs are fully or partially covered
or soiled.
▷
If the road signs are poorly visible or twisted.
▷
If the road signs are too small or too large.
▷
When the road signs do not correspond to
the standard.
▷
If road signs are detected that apply to a
merging or parallel road.
▷
If the road signs or road layouts are specific
to one country.
▷
Up to 10 seconds after switching on drive-
ready state using the Start/Stop button.
▷
In the case of navigation data that is invalid,
outdated or not available.
▷
It may not be possible to use the system in all
countries.
Dynamic brake lights
Principle
The brake lights flash to warn road users behind
the vehicle that emergency braking is being per‐
formed.
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