Users Manual Part 3

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If you adopt a sporty driving style (high cor‐
nering speeds or high rates of acceleration).
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If the Steering Assist function of Active Dis‐
tance Assist DISTRONIC is active.
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If the clock is set to the incorrect time.
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If you change lanes and vary your speed fre‐
quently In active driving situations.
Microsleep detection also does not function
when the driver camera cannot detect the eyes
of the driver, as a result of the following factors,
for example:
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The driver's eyes are covered, e.g. due to
steering wheel position.
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Poor lighting conditions.
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Some types of spectacles or sunglasses.
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The driver's line of vision is outside the driver
camera's field of vision.
Also observe any information regarding display
messages that can be displayed in the instru‐
ment cluster
(/ page
602, 645, 602, 645, 602, 645, 602).
The tiredness or alertness assessment of ATTEN‐
TION ASSIST with microsleep detection is
deleted and restarted when continuing the jour‐
ney in the following situations:
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If you switch off the engine.
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If you unfasten your seat belt and open the
driver's door (e.g. changing drivers or taking
a break).
Setting ATTENTION ASSIST
Multimedia system:
4
©
5
Settings
5
Assistance
5
ATTENTION ASSIST
Setting the sensitivity
#
Select Setting.
#
Select Standard, Sensitive or Off.
Activating/deactivating the microsleep
warning
#
Activate/deactivate Microsleep warning.
Suggesting a rest area
#
Switch Suggest rest area on or off.
If ATTENTION ASSIST detects fatigue or
increasing lack of attention, it suggests a
rest area in the vicinity.
#
Select the suggested rest area.
You are guided to the selected rest area.
Suggesting a power nap
#
Switch Suggest Power Nap on or off.
Driving and parking
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