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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
General information
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.
▷ Depending on the equipment: attention of
the driver through the Driver Attention Cam‐
era.
Starting at approx. 43 mph/70 km/h, the system
is active and can also display a recommendation
to take a break.
Break recommendation
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.
"CAR"
2. "Settings"
3. "General settings"
4. "Fatigue and Focus Alert"
5. Select the desired setting:
▷ "Standard": the break recommendation is
made with a defined value.
▷ "Sensitive": the break recommendation is
issued earlier.
▷ "Off": no break recommendation is made.
Display
If the driver becomes less alert or fatigued, a
message is displayed in the Control Display with
the recommendation to take a break.
During the display, various settings can be se‐
lected.
After a break, another recommendation to take a
break cannot be displayed until after approxi‐
mately 45 minutes.
System limits
The function may be limited in the following sit‐
uations and may issue an incorrect warning or no
warning at all:
Seite 201
Safety
CONTROLS
201
Online Edition for Part no. 01402720992 - II/19
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