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The assistant for emergencies is an extension of the systems Lane Assist
» page 240 and ACC » page 229 and works by using the functions of these
two systems.
For this reason, the chapters on System Lane Assist and ACC are to be
read carefully and the safety notes are to be observed.
System intervention
If the system detects the driver's inactivity, it draws attention to this fact by a
beep and a message on the display of the instrument cluster. It keeps the vehi-
cle in its lane.
If the driver does not take over the steering even after a repeated warning, the
system automatically brakes the vehicle and after it has come to a standstill
the parking brake switch on.
With automatic braking, the hazard warning system is switched on.
The automatic braking interventions can be cancelled by pressing the acceler-
ator pedal or by means of a steering intervention.
Operating conditions
Read and observe on page 242 first.
The system can intervene when the following basic conditions are present.
Lane Assist is activated and the boundary line is detected at least on one
side of the lane » page 240.
ACC is activated and the regulation » page 229 follows.
Traffic sign recognition
Introduction
The traffic sign recognition (following known as system) shows certain traffic
signs (e.g. speed limits) on the display of the instrument cluster and if necessa-
ry warns against excessive speeds.
WARNING
■
Please take note of the general points relating to the use of assistance
systems » page 209, in section Introduction.
■
Vertical traffic signs must always take precedence over the traffic signs
shown in the display. The driver is always responsible for correctly assess-
ing the traffic situation.
■
The speed specifications in the displayed road signs refer to the custom-
ary national speed units. For example, the display may relate to km/h or
mph depending on the country in question.
WARNING
The traffic signs may not be displayed or displayed incorrectly in the sys-
tem e.g. in the following situations.
■
When visibility is poor, (e.g. fog, heavy rain, thick snowfall).
■
The sensor is blinded by the sun or oncoming traffic.
■
The field of view of the sensor is limited by an obstacle or a preceding ve-
hicle.
■
Travelling at high speed.
■
The traffic signs are covered (e.g. by trees, snow or dirt).
■
The traffic signs are not standard (round with a red border) or are dam-
aged.
■
The traffic signs are attached to flashing neon signs.
■
The traffic signs were changed (the navigation data are out of date).
Note
The system is only available in some countries.
Settings in Infotainment
Read and observe on page 243 first.
›
In the infotainment system, in menu
/ tap on function surface →
Driv-
er assistance
.
■
Dynamic Road Sign Display - Settings for the Dynamic Road Sign Display
■
Show in instrument cluster
- Activation/deactivation of the additional traffic
signs in the display of the instrument cluster
■
Speed warning:
- Setting a warning when the speed limit is exceeded
■
Warning at over
- Setting warning timing with the option to exceed the speed
limit in a range from 0 to 20 km / h
243
Assist systems
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