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vention by the driver in certain situations. This
can reduce the risk of a further collision and the
consequences thereof.
At standstill
After coming to a halt, the brake is released auto‐
matically.
Harder vehicle braking
In certain situations, it can be necessary to bring
the vehicle to a halt more quickly than the Brake
Assistant allows.
To do this, quickly apply extra force to the brake.
For a brief period, the braking pressure will be
higher than the braking pressure that is achieved
by the automatic braking function. This interrupts
automatic braking.
Interrupting automatic braking
It can be necessary to interrupt automatic brak‐
ing in certain situations, for instance for an eva‐
sive maneuver.
Interrupt automatic braking:
▷ By pressing the brake pedal.
▷ By pressing the accelerator pedal.
Fatigue alert
Concept
The system can detect decreasing alertness or
fatigue of the driver during long, monotonous
trips, for instance on highways. In this situation, it
is recommended that the driver takes a break.
Safety information
Warning
The system cannot serve as a substitute for the
driver’s personal judgment in assessing one's
physical state. An increasing lack of alertness or
fatigue may not be detected or not be detected
in time. There is a risk of accident. Make sure
that the driver is rested and alert. Adjust driving
style to traffic conditions.
Function
The system is switched on each time drive-ready
state is switched on.
After travel has begun, the system monitors cer‐
tain aspects of the driver's behavior, so that de‐
creasing alertness or fatigue can be detected.
This procedure takes the following criteria into
account:
▷ Personal driving style, for instance steering
behavior.
▷ Driving conditions, for instance time, length of
trip.
Starting at approx. 43 mph/70 km/h, the system
is active and can also display a recommendation
to take a break.
Break recommendation
Switching on/off, adjusting
The fatigue alert is active automatically with each
switching on of drive-ready state and can thus
display a break recommendation.
The break recommendation can also be
switched on or off and adjusted via iDrive.
Via iDrive:
1.
"My Vehicle"
2. "Vehicle settings"
3. "Driver attention control"
4. Select the desired setting:
▷ "Off": no break recommendation is made.
▷ "Standard": the break recommendation is
made with a defined value.
▷ "Sensitive": the break recommendation is
issued earlier.
Seite 185
Safety
CONTROLS
185
Online Edition for Part no. 01405A10E93 - VI/20
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