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The traffic jam assistant is an extension of the systems Lane Assist » page 252
and ACC » page 242 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.
Operating conditions
Read and observe on page 254 first.
The system activation occurs automatically whilst fulfilling the following
basic conditions.
Lane Assist with the adaptive tracking is enabled, the boundary lines on
both sides are recognized lane » page 252.
ACC is activated and the regulation » page 242 follows.
The vehicle speed is below 65 km/h.
Assistant for emergencies
Introduction
WARNING
■
Please take note of the general points relating to the use of assistance
systems » page 214, in section Introduction.
■
The system is intended for emergency situations when the driver is sud-
denly unable to take over the steering task. Therefore, never try to test out
the system - there is a risk of an accident!
Operation
Read and observe on page 255 first.
The assistant for emergencies (following known as system) detects inactivity
of the driver, which for example can be caused by a sudden loss of conscious-
ness. The system then performs measures as safely as possible to decelerate
the vehicle to a stop.
The system is only available for vehicles with Automatic transmission.
The assistant for emergencies is an extension of the systems Lane Assist
» page 252 and ACC » page 242 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 255 first.
The system can intervene when the following basic conditions are present.
Lane Assist is activated and the limiting lines on the two lane sides are rec-
ognised » page 252.
ACC is activated and the regulation » page 242 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.
255
Assist systems
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