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Operation
Tiredness detection
(recommendation to take a
break)
Introduction
WARNING
Do not let the extra convenience afforded by
the tiredness detection function tempt you
into taking any risks when driving. When
making long trips, conveniently long breaks
must be taken.
●
The driver is responsible for determining
their capacity to drive.
●
Never drive when tired.
●
The system does not always detect the
tiredness of the driver. Please read the infor-
mation provided in the section ››› page 176,
Limited operation.
●
In some sit
uations the system may incor-
rectly interpret an intended manoeuvre as a
sign of tiredness of the driver.
●
In the event of the an episode called “mi-
crosleep” at the wheel, a strong warning is
not in place!
●
Observe the indications on the display of
the instrument panel and act in accordance
with them.
Note
●
The tiredness detection function has only
been designed for driving on motorways and
wide roads.
●
If there is a fault in the system, refer to a
Specialised workshop to have the system in-
spected.
Function and operation
Fig. 151 On the instrument panel display:
tiredness detection symbol
The tiredness detection function registers the
behaviour of the driver at the wheel at the
beginning of a journey and, using this, evalu-
ates the tiredness. This is continually com-
pared with the current behaviour at the
wheel. If the system detects that the driver is
tired, an audible warning using a “gong” is
given and a symbol and complementary mes-
sage on the instrument panel display are
shown ››› Fig. 151
. The on-screen message
on the d
a
sh panel is displayed for 5 seconds
and, where required, repeated again. The
system stores the last message displayed.
The message that appears on the instrument
panel display can be switched off by pressing
the
OK
button on the multifunction steering
wheel or on the window wiper lever
››› page 49
. Using the multifunction display
›
›
› page 49 the message on the instrument
panel display can be shown.
Conditions of operation
Behaviour at the wheel is only evaluated at
speeds of above 65 km/h (40 mph).
Switching on and off
The system can be switched on or off in the
Assistants menu. If an assistance system is
switched on, this is indicated with a “mark”.
Limited operation
The tiredness detection function is subject to
certain limitations. Therefore it is possible
that in some driving situations behaviour at
the wheel cannot be correctly interpreted.
E.g. in the following situations:
●
at speeds lower than 65 km/h (40 mph),
●
in sections with corners,
●
on roads in poor condition,
●
in the event of adverse weather conditions,
176
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