Operation
Driver alert system (break recommen-
dation)*
Fig. 53
On the instrument panel display: driver
alert system symbol.
The Fatigue detection informs the driver
when their driving beha
viour sho
ws signs of
fatigue.
Function and operation
Fatigue detection determines the driving be-
haviour of the driver when starting a journey,
making a calculation of tiredness. This is
constantly compared with the current driv-
ing behaviour. If the system detects that the
driver 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. 53 .
The message on the instrument panel dis-
play is shown for approximately 5 seconds,
and depending on the case, is repeated. The
system stores the last message displayed.
The message on the instrument panel dis-
play can be switched off by pressing the
button on the multi-function steering wheel
›››
page 80.
The message can be recalled to the instru-
ment panel display using the multifunction
display
›››
page 70 .
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).
Activating and deactivating
Fatigue detection can be activated or deacti-
vated in the infotainment system using the
function button > Assistants > Driver
Alert System
›››
page 89 . A mark indicates
that the adjustment 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)
●
When cornering
●
On roads in poor condition
●
In unfavourable weather conditions
●
When a sporty driving style is employed
●
In the event of a serious distraction to the
driver
Fatigue detection will be restored when the
vehicle is stopped for more than 15 minutes,
when the ignition is switched off or when the
driver has unbuckled their seat belt and
opened the door.
In the event of slow driving during a long pe-
riod of time (below 65 km/h, 40 mph) the
system automatically re-establishes the
tiredness calculation. When driving at a fast-
er speed the driving behaviour will be recal-
culated.
WARNING
Do not let the comfort afforded by the Fati-
gue 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 responsi-
bility 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 information in the section
›››
page 72,
System limitations.
72
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