Driving -> Active Lane Departure Warning System for Your DS 7 Crossback 4 Door First Generation (2017-2022)

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– The driver must hold the wheel with both  
hands.  
– The change of trajectory must not be  
accompanied by operation of the direction  
indicators.  
Malfunction  
In the event of a malfunction, this warning  
lamp comes on on the instrument panel,  
accompanied by the display of a message and an  
audible signal.  
– The ESC system must be activated and not  
faulty.  
Deactivation / Activation  
Contact a dealer or a qualified workshop.  
The function is activated automatically when the  
ignition is switched on.  
The system helps the driver only when  
Active Lane Departure  
Warning System  
Refer to the General recommendations on the use  
of driving and manoeuvring aids.  
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.  
The driver must hold the steering wheel with  
both hands in a way that allows control to  
be maintained in circumstances where the  
system is not able to intervene (for example, if  
the dividing line marking disappears).  
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).  
OFF  
The function is deactivated and activated by  
pressing this button.  
The button indicator lamp lights up to confirm  
deactivation of the function.  
Operation  
This system is particularly useful on motorways  
and main roads.  
Once the system identifies a risk of the vehicle  
involuntarily crossing one of the lane markings  
detected or a lane limit (e.g. grass border), it  
makes the necessary trajectory correction to  
return the vehicle to its initial path.  
The driver will notice a turning movement of the  
steering wheel.  
Detection  
If an unexpected change of direction is  
detected, this warning lamp flashes in the  
instrument panel accompanied by an audible  
signal.  
This warning lamp flashes during  
trajectory correction.  
No warning is transmitted while the direction  
indicator is activated and for approximately 20  
seconds after the direction indicator is switched  
off.  
Conditions for operation  
– The speed of the vehicle must be between 40  
and 112 mph (65 and 180 km/h).  
– The traffic lane must be delimited by a dividing  
line.  
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The driver can prevent the correction by  
keeping a firm grip on the wheel (during  
an avoiding manoeuvre, for example).  
The correction is interrupted immediately if  
the direction indicators are operated.  
However, with the Blind Spot Detection system  
activated, if the driver starts changing lanes and  
another vehicle is detected in the vehicle's blind  
spot, the system will correct the trajectory even  
though the direction indicators are on.  
For more information on the Blind Spot Detection,  
refer to the corresponding section.  
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.  
While the direction indicators are on and for  
a few seconds after switching them off, the  
system considers that any change of trajectory is  
intentional and no correction is triggered during  
this period.  
Driving situations and related alerts  
The table below describes the alerts and messages displayed in different driving situations.  
These alerts are not displayed sequentially.  
Function status  
Indicator lamp  
Display and/or associated  
message  
Comments  
OFF  
Function deactivated.  
(grey)  
(grey)  
ON  
System active, conditions not met:  
– speed below 40 mph (65 km/h),  
– no lane marking recognised,  
– ASR/DSC systems deactivated or operation of ESC  
system triggered,  
– "sport" driving.  
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Function status  
ON  
Indicator lamp  
Display and/or associated  
message  
Comments  
Automatic deactivation/standby of the function (for  
example, due to detection of a trailer or use of the "space-  
saver" spare wheel provided with the vehicle).  
(grey)  
(green)  
ON  
ON  
ON  
Lane marking detection.  
Speed above 40 mph (65 km/h).  
The system corrects the trajectory on the side where the  
risk of unintentional crossing is detected (orange line).  
(orange)/(green)  
– If, while correcting the trajectory, the system detects  
that the driver has not held the steering wheel for a few  
seconds, it interrupts the correction and returns control to  
the driver.  
– If, while correcting the trajectory, the system determines  
that the correction will not be enough and that a solid line  
will be crossed (orange line): the driver is warned that they  
must provide additional trajectory adjustment.  
(orange)/(green)  
"Take control of the  
vehicle."  
The duration of audible warnings will increase if multiple  
corrections are performed in quick succession. The warning  
will become continuous, persisting until the driver responds.  
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Risk of undesirable operation  
We recommend deactivating the system in the  
following driving situations:  
– driving on damaged, unstable or very slippery  
(ice) road surfaces,  
– unfavourable weather conditions,  
– driving on a speed circuit,  
instrument panel, accompanied by the display of  
a message and an audible signal.  
Have the system checked by a dealer or a  
qualified workshop.  
Operating limits  
The system goes into standby automatically in  
the following cases:  
– ESC deactivated or operation triggered,  
– speed below 40 mph (65 km/h) or greater than  
112 mph (180 km/h),  
– electrical connection of a trailer,  
– use of the "space-saver" spare wheel detected  
(as detection is not immediate, deactivation of  
the system is recommended),  
Blind Spot Detection  
Refer to the General recommendations on the use  
of driving and manoeuvring aids.  
– driving on a rolling road.  
Deactivation / Activation  
– dynamic driving style detected, pressure on the  
brake or accelerator pedal,  
– driving where there are no lane markings,  
– activation of the direction indicators,  
– crossing the inside line on a bend,  
– driving in a tight corner,  
– inactivity by the driver detected during  
correction.  
This system includes sensors, placed on the  
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).  
The following situations may interfere  
with the operation of the system or  
prevent it from working:  
– insufficient contrast between the road  
surface and the shoulders (e.g. shade),  
– lane markings worn, hidden (snow, mud) or  
multiple (roadworks, etc.),  
►ꢀ Press this button to deactivate / reactivate  
the system at any time.  
Deactivation is signalled by the lighting of  
the indicator lamp in the button and this  
warning lamp in the instrument panel.  
The system is automatically reactivated every  
time the ignition is switched on.  
– running close to the vehicle in front (the lane  
markings may not be detected),  
– roads that are narrow, winding, etc.  
Malfunction  
A fault with the system is signalled by the  
illumination of these warning lamps in the