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Driving -> Highway Driver Assist for Your Citroen C4 SUV Third Generation (2020-2025)

Driving  
► Pressing 2-I I> or 4-OK again will reactivate  
cruise control (green).  
To change the speed setting using the speed  
suggested by the Road signs recognition  
displayed on the instrument panel:  
These two functions must be activated and in  
operation.  
For more information on Adaptive cruise  
control and Lane Positioning Assist, refer to  
the corresponding sections.  
Cruise control operation is also  
temporarily interrupted (pause):  
– by pressing the brake pedal.  
– automatically, if the electronic stability  
control (ESC) system is triggered.  
– by shifting to neutral or engaging reverse  
gear.  
When passing the sign:  
► Press 4-OK to save the suggested speed.  
This value is then immediately shown as the new  
speed setting on the instrument panel.  
After passing the sign:  
► Press 4-OK. The message “OK?" is  
displayed to confirm the request to save.  
► Press 4-OK again to save the suggested  
speed. The new speed setting value is displayed  
on the instrument panel.  
The system assists the driver by acting  
on the steering, acceleration and braking  
within the physical limits and capacities of the  
vehicle. Certain road infrastructure elements  
or vehicles in the surroundings may not be  
properly seen or may be poorly interpreted by  
the camera and radar, resulting in an  
unexpected change in direction, a lack of  
steering correction and/or inappropriate  
management of acceleration or braking.  
– by using the electric parking brake.  
Modifying the speed setting  
The cruise control must be active.  
To change the speed setting using the vehicle’s  
current speed:  
Off  
► Press 1: the cruise control information display  
disappears.  
► For steps of +/- 1 mph (1 km/h),  
make successive short presses upwards/  
downwards on 3 to increase/decrease.  
► For steps of +/- 5 mph (5 km/h), press and  
hold upwards/downwards on 3 to increase/  
decrease.  
Primarily designed for driving on main  
roads and motorways, this system only  
works with moving vehicles driving in the  
same direction as your vehicle.  
Malfunction  
In the event of a malfunction, dashes are  
displayed flashing and then fixed instead of the  
speed setting.  
Have it checked by a CITROËN dealer or a  
qualified workshop.  
Prolonged pressing and holding  
upwards/downwards on 3 causes a very  
rapid change in vehicle speed.  
Highway Driver Assist  
As a precaution, we recommend setting  
a cruise speed fairly close to the current  
speed of your vehicle, to avoid any sudden  
acceleration or deceleration of the vehicle.  
Only available on versions with the EAT8  
automatic gearbox and drive selector.  
This system automatically adjusts the speed  
and corrects the trajectory of the vehicle, using  
Adaptive cruise control with Stop&Go function in  
conjunction with Lane Positioning Assist.  
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Driving  
► Press this button successively again until the  
OFF mode is displayed on the instrument panel.  
► After a few seconds, the Highway Driver  
Assist mode is deselected. The Driving aids  
mini-view disappears.  
Selecting/Deselecting the  
system  
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To do this, the system uses a camera fitted at the  
top of the windscreen and a radar fitted in the  
front bumper.  
Adaptive cruise control  
Primarily designed for driving on main  
roads and motorways, this system only  
works with moving vehicles driving in the  
same direction as your vehicle.  
For more information, refer to the  
General recommendations on the use  
of driving and manoeuvring aids and the  
Cruise control - particular  
ASSIST  
► Press this button successively until the  
Highway Driver Assist mode is displayed on the  
instrument panel.  
► After a few seconds, the Highway Driver  
Assist mode is selected. The Driving aids mini-  
view is displayed on the instrument panel.  
recommendations.  
If the driver activates the direction  
indicator to overtake a slower vehicle,  
cruise control may temporarily reduce the  
distance to the target vehicle to facilitate  
overtaking, without exceeding the speed  
setting.  
This system automatically maintains the vehicle  
speed at a value set by the driver (speed  
setting), while respecting a safety distance from  
the vehicle in front (target vehicle) previously set  
by the driver. The system automatically manages  
the acceleration and deceleration of the vehicle.  
With the Stop function, the system manages  
braking until the vehicle comes to a complete  
stop.  
The colour of the symbols, representing the  
steering wheel and the side lines, depends on  
the operating state of the system:  
(grey)  
One or more operating conditions is not  
met; the system is paused.  
(green)  
With the Stop & Go function, the system  
manages braking until the vehicle comes to a  
complete stop and restarts the vehicle.  
The brake lamps come on if the vehicle  
is slowed down by the system.  
It can be dangerous to drive if the brake  
lamps are not in perfect working order.  
All operating conditions are met; the  
system is active.  
(orange)  
System malfunction.  
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