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EnglishDriving -> Fatigue detection system for your Citroen C5 Aircross 2017-2025
Driving
Operation of the function may be felt by
slight vibration in the brake pedal.
If the vehicle comes to a complete stop,
the automatic braking is maintained for
1 to 2 seconds.
-
-
The vehicle's speed does not exceed
50 mph (80 km/h) when a stationary vehicle
or a cyclist is detected.
The vehicle's speed is above 6 mph
(10 km/h) (versions with camera and radar)
or between 6 mph and 53 mph (10 km/h and
85 km/h) (versions with camera alone) when
a moving vehicle is detected.
Active Safety Brake
If the camera and/or radar have
confirmed the presence of a vehicle,
a pedestrian or a cyclist, this
warning lamp flashes (for about
10 seconds) when the function is
acting on the vehicle's brakes.
Malfunction
In the event of a fault with the
system, you are alerted by the
continuous illumination of this
warning lamp, accompanied by the
display of a message and an audible
signal.
Contact a CITROËN dealer or
a qualified workshop to have the
system checked.
With an automatic gearbox, in the event of
automatic emergency braking until the vehicle
comes to a complete stop, keep the brake
pedal pressed down to prevent the vehicle from
starting off again.
This function, also called automatic emergency
braking, intervenes following the alert if the
driver does not react quickly enough and does
not operate the vehicle's brakes.
It aims to reduce the speed of impact or avoid
a frontal collision by your vehicle where the
driver fails to react.
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With a manual gearbox, in the event of
automatic emergency braking until the vehicle
comes to a complete stop, the engine may stall.
Fatigue detection system
Refer to the General recommendations on
the use of driving and manoeuvring aids.
The driver can control the vehicle at any
time by making a deliberate movement
of the steering wheel and/or pressing the
accelerator pedal.
Take a break as soon as you feel tired or at
least every two hours.
The function comprises the "Coffee Break
Alert" system combined with the "Driver
Attention Alert" system.
Operation
The system operates under the following
conditions:
-
The vehicle's speed does not exceed
37 mph (60 km/h) when a pedestrian is
detected.
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Driving
When the system interprets the behaviour of
the vehicle as indicating a certain fatigue or
inattention threshold on the part of the driver, it
triggers the first level of alert.
The driver is then alerted by the message
"Take care!", accompanied by an audible
signal.
Activation/Deactivation
As soon as the speed of the vehicle drops
below 40 mph (65 km/h), the system goes
into standby.
The driving time is counted again once the
speed is above 40 mph (65 km/h).
These functions are activated and
deactivated in the Driving/Vehicle
menu of the touch screen.
The state of the system stays in the memory
when the ignition is switched off.
After three first level alerts, the system triggers
a new alert with the message "Driving at
risk: take a break", accompanied by a more
pronounced audible signal.
Driver Attention Alert
Coffee Break Alert
The system triggers an alert once it
detects that the driver has not taken
a break after two hours of driving at
a speed above 40 mph (65 km/h).
In certain driving conditions (poor road
surface or strong winds), the system may
give alerts independent of the driver's
level of vigilance.
This alert is issued via the display of
a message encouraging you to take a break,
accompanied by an audible signal.
If the driver does not follow this advice, the
alert is repeated hourly until the vehicle is
stopped.
Using a camera placed at the top
of the windscreen, the system
assesses the driver's level of
vigilance by identifying variations
in trajectory compared to the lane
markings.
The system resets itself if one of the following
conditions is met:
-
-
-
engine running, the vehicle has been
stationary for more than 15 minutes,
the ignition has been switched off for a few
minutes,
the driver's seat belt is unfastened and their
door is open.
This system is particularly suited to main roads
(speed higher than 40 mph (65 km/h)).
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Driving
Using a camera located at the top of the
windscreen to identify lane markings on the
road and at the edges of the road (depending
on version), the system corrects the trajectory
of the vehicle while alerting the driver if it
detects a risk of unintentionally crossing a line
or hard shoulder (depending on version).
This system is particularly useful on motorways
and main roads.
Operation
The following situations may interfere with
the operation of the system or prevent it
from working:
Once the system identifies a risk of the vehicle
involuntarily crossing one of the lane markings
detected, it makes the correction to the
trajectory required to return the vehicle to its
initial path.
-
poor visibility (inadequate lighting of
the road, falling snow, heavy rain,
dense fog, etc.),
-
dazzle (headlamps of an oncoming
vehicle, low sun, reflections on a damp
road, leaving a tunnel, alternating
shade and light, etc.),
The driver will notice a turning movement of the
steering wheel.
This warning lamp flashes during
trajectory correction.
-
-
windscreen area located in front of the
camera: dirty, misted up, frost-covered,
snow-covered, damaged or covered by
a sticker,
lane markings absent, worn, hidden
(snow, mud) or multiple (roadworks,
etc.),
The driver can prevent the correction by
keeping a firm grip on the wheel (during
an avoiding manoeuvre, for example).
The correction is interrupted if the
direction indicators are operated.
Conditions for operation
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-
close to the vehicle ahead (lane
markings not detected),
roads that are narrow, winding, etc.
The speed of the vehicle must be between
40 and 112 mph (65 and 180 km/h).
The driver must hold the wheel with both
hands.
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The change of trajectory must not be
accompanied by operation of the direction
indicators.
The ESC system must not be faulty.
The ASR/DSC systems must be activated.
If the system detects that the driver is not
holding the wheel firmly enough during
an automatic correction of trajectory,
it interrupts the correction. An alert is
triggered to encourage the driver to take
back control of the vehicle.
Active Lane Departure
Warning System
Refer to the General recommendations on
the use of driving and manoeuvring aids.
The system helps the driver only when
there is a risk of the vehicle involuntarily
wandering from the lane it is being driven
in. It does not manage the safe driving
distance, the speed of the vehicle or the
brakes.
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