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Driving -> Blind Spot Monitoring System for Your Citroen C4 Cactus SUV Second Generation (2018-2024)

Driving  
The following situations may interfere  
with the operation of the system or  
prevent it from working:  
– lane markings absent, worn, hidden (snow,  
mud) or multiple (roadworks);  
– close to the vehicle ahead (lane markings  
not detected);  
– roads that are narrow, winding, etc.  
Activation / Deactivation  
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It is set via the Driving / Vehicle touch  
screen menu.  
Detection  
If an unexpected change of direction is  
detected, this warning lamp flashes in the  
instrument panel accompanied by an audible  
signal.  
This system includes sensors, placed on the  
No warning is transmitted while the direction  
indicator is activated and for approximately 20  
seconds after the direction indicator is switched  
off.  
sides of the bumpers, and warns the driver of  
the potentially dangerous presence of another  
vehicle (car, truck, motorcycle) in the blind spot  
areas of their vehicle (areas hidden from the  
driver's field of vision).  
Lane Departure Warning  
System  
Refer to the General recommendations on the  
use of driving and manoeuvring aids.  
This system, using a camera which recognises  
solid or broken lines, detects the involuntary  
crossing of longitudinal traffic lane markings on  
the ground.  
If the driver's attention drops and the speed  
is higher than 37 mph (60 km/h), the system  
triggers a warning if there is an unexpected  
change of direction.  
This system is particularly useful on motorways  
and main roads.  
Malfunction  
In the event of a malfunction, these  
warning lamps come on on the  
instrument panel, accompanied by the display of  
a message and an audible signal.  
Contact a CITROËN dealer or a qualified  
workshop.  
The warning is given by a fixed warning lamp  
that appears in the door mirror on the side in  
question:  
– immediately, when being overtaken;  
– after a delay of about one second, when  
overtaking a vehicle slowly.  
Blind Spot Monitoring  
System  
Refer to the General recommendations on the  
use of driving and manoeuvring aids.  
Activation / Deactivation  
It is set via the Driving / Vehicle touch  
screen menu.  
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Driving  
The state of the system stays in the memory  
when switching off the ignition.  
– In the presence of non-moving objects (parked  
vehicles, barriers, street lamps, road signs, etc.).  
– Oncoming traffic.  
– Driving on a winding road or a sharp corner.  
– When overtaking or being overtaken by a very  
long vehicle (lorry, bus, etc.) that is detected  
in the rear blind spot but is also present in the  
driver’s front field of vision.  
Operating limits  
The system is automatically deactivated  
when towing with a towing device  
approved by CITROËN.  
Conditions for operation  
– All vehicles are moving in the same direction  
and in adjacent lanes.  
– When overtaking quickly.  
– In very heavy traffic: vehicles detected in  
front and behind are confused with a lorry or a  
stationary object.  
– The speed of your vehicle must be between 7  
and 87 mph (12 and 140 km/h).  
– When overtaking a vehicle, the speed  
difference is less than 6 mph (10 km/h).  
– When overtaken by a vehicle, the speed  
difference is less than 16 mph (25 km/h).  
– Traffic is flowing normally.  
– Overtaking a vehicle over a certain period of  
time and the vehicle being overtaken remains in  
the blind spot.  
Malfunction  
In the event of a malfunction, you are warned by  
the display of a message.  
Contact a CITROËN dealer or a qualified  
workshop to have the system checked.  
The system may suffer temporary  
interference in certain weather conditions  
(rain, hail, etc.).  
In particular, driving on a wet surface or  
moving from a dry area to a wet area can  
cause false alerts (for example, the presence  
of a fog of water droplets in the blind spot  
angle is interpreted as a vehicle).  
You are driving on a straight or slightly curved  
road.  
Your vehicle is not pulling a trailer, a caravan,  
etc.  
In bad or wintry weather, ensure that the  
sensors are not covered by mud, ice or snow.  
Take care not to cover the warning zone in  
the door mirrors or the detection zones on the  
front and rear bumpers with adhesive labels  
No alert is triggered in the following conditions:  
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Driving  
The sound emitted by the speaker (right or  
left) indicates the side on which the obstacle is  
located.  
or other objects; they may hamper correct  
operation of the system.  
Audible assistance  
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Adjusting the audible signal  
With CITROËN Connect Radio or  
CITROËN Connect Nav, pressing  
this button opens the window for adjusting the  
volume of the audible signal.  
Parking sensors  
Refer to the General recommendations on the  
use of driving and manoeuvring aids.  
The system signals the presence of obstacles  
which are both within the sensors’ detection zone  
and in the vehicle path defined by the direction of  
the steering wheel.  
Visual assistance  
Using sensors located in the bumper, this  
system signals the proximity of obstacles  
(e.g. pedestrian, vehicle, tree, barrier) present in  
their field of detection.  
It supplements the audible assistance, without  
taking account of the vehicle's trajectory, by  
displaying bars on the screen that represent the  
distance between the obstacle and the vehicle  
(white: more distant obstacles, orange: close  
obstacles, red: very close obstacles).  
Depending on version, in the example shown,  
only the obstacles present in the shaded area  
will be signalled by the audible assistance.  
The proximity information is given by an  
intermittent audible signal, the frequency of  
which increases as the vehicle approaches the  
obstacle.  
Rear parking sensors  
The system is switched on by engaging reverse  
gear, which is confirmed by an audible signal.  
The system is switched off when disengaging  
reverse gear.  
When the obstacle is very close, the "Danger"  
symbol is displayed on the screen.  
When the distance between the vehicle and  
the obstacle becomes less than about thirty  
centimetres, the audible signal becomes  
continuous.  
Front parking sensors  
In addition to the rear parking sensors, the front  
parking sensors are triggered when an obstacle  
is detected in front and the speed of the vehicle  
is still below 6 mph (10 km/h).  
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