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Operation
Fatigue detection (break rec-
ommend
ation)*
Intr
oduction
The Fatigue detection informs the driver
when their driving beh
aviour shows signs of
fatigue.
WARNING
Do not let the comfort afforded by the Fatigue
detection sys
tem tempt you into taking any
risks when driving. Take regular breaks, suffi-
cient in length when making long journeys.
●
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 236, System
limitations.
●
In some situations, 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
●
Fatigue detection h
as 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. 223 On the instrument panel display: fa-
tigue det
ection symbo
l
.
Fatigue detection determines the driving be-
h
av
iour of
the driver when starting a journey,
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. 223. The
message 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
b
utt
on
on the multi function steering
wheel
›
›
›
page 36.
The message can be recalled to the instru-
ment panel display using the multifunction
display ›››
page 36.
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
Fatigue detection can be activated or deacti-
vated in the Easy Connect system with the
button and the
S
ET
TINGS
function button
›
›
›
page 33. A mark indicates that the ad-
justment has been activated.
System limitations
The Fatigue detection has certain limitations
inherent to the system. The following condi-
tions can limit the Fatigue detection or pre-
vent it from functioning.
●
At speeds below 65 km/h (40 mph)
●
At speeds above 200 km/h (125 mph)
236
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