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Operation
WARNING
Please note that if the road surface is slip-
pery or wet, the kick-down feature could
cause the driving wheels to spin, which could
result in skidding.
Tiredness detection (break
recommendation)*
Introduction
The Tiredness detection informs the driver
when their driving behaviour shows signs of
fatigue.
WARNING
Do not let the comfort afforded by the Tired-
ness detection system tempt you into taking
any risks when driving. Take regular breaks,
sufficient in length when making long jour-
neys.
●
The driver always assumes the responsibil-
ity of driving to their full capacity.
●
Never drive if you are tired.
●
The system does not detect the tiredness of
the driver in all circumstances. Consult the in-
formation in the section ››› page 172, System
limitations.
●
In some sit
uations, the system may incor-
rectly interpret an intended driving manoeu-
vre as driver tiredness.
●
No warning is given in the event of the ef-
fect called microsleep!
●
Please observe the indications on the in-
strument panel and act as is necessary.
Note
●
Tiredness detection has been developed for
driving on motorways and well paved roads
only.
●
If there is a fault in the system, have it
checked by a specialised workshop.
Function and operation
Fig. 167 On the instrument panel display:
tiredness detection symbol.
Tiredness detection determines the driving
behaviour of the driver when starting a jour-
ney, making a calculation of tiredness. This is
constantly compared with the current driving
behaviour. If the system detects that the driv-
er is tired, an audible warning is given with a
sound and an optic warning is shown with a
symbol and complementary message on the
instrument panel display ››› Fig. 167
. The
me
s
sage on the instrument panel display is
shown for approximately 5 seconds, and de-
pending on the case, is repeated. The system
stores the last message displayed.
The message on the instrument panel display
can be switched off by pressing the
button on the windscreen wiper lever or the
button
on the multi function steering
wheel ››› page 72
.
The me
s
sage can be recalled to the instru-
ment panel display using the multifunction
display ››› page 72.
Conditions of operation
Driving behaviour is only calculated on
speeds above about 65 km/h (40 mph) up to
around 200 km/h (125 mph).
Switching on and off
Tiredness detection can be activated or deac-
tivated in the Easy Connect system with the
button
and the function button
››› page 81
. A mark indicates that the adjust-
ment
h
as been activated.
System limitations
The Tiredness detection has certain limita-
tions inherent to the system. The following
172
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