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Safety -> Trajectory control systems (ESP) for Your Citroen Ds4 SUV First Generation (2010-2018)

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Safety  
Trajectory control systems (ESP)  
Emergency braking assistance Anti-slip regulation (ASR)  
and electronic stability  
control (ESC)  
The anti-slip regulation (also known as traction  
control) optimises traction to prevent skidding  
of the wheels, by acting on the brakes of the  
driving wheels and on the engine.  
The electronic stability control acts on the brake  
of one or more wheels and on the engine to  
keep the vehicle on the trajectory required by  
the driver, within the limits of the laws of physics.  
System which, in an emergency, enables you  
to obtain the optimum braking pressure more  
quickly, thus reducing the stopping distance.  
This system detects situations of difficult  
surface adhesion that could make it difficult to  
move off or make progress on deep fresh snow  
or compacted snow.  
In these situations, the intelligent traction  
control limits the amount of wheel slip to  
provide the best traction and trajectory control  
for your vehicle.  
In extremely severe conditions (deep snow,  
mud, ...), when it proves impossible to move off,  
it may be useful to temporarily deactivate the  
ESP/ASR systems to allow the wheels to spin  
freely and so allow movement of the vehicle.  
Activation  
It is triggered by the speed at which the brake  
pedal is pressed.  
The effect of this is a reduction in the  
resistance of the pedal and an increase in  
braking efficiency.  
When braking in an emergency, press  
firmly without releasing the pressure.  
The use of snow tyres is strongly  
recommended on surfaces offering low  
levels of adhesion.  
Activation  
These systems are activated automatically  
each time the vehicle is started.  
They come into operation in the event of a grip  
or trajectory problem.  
Intelligent traction control  
system ("Snow motion")  
Your vehicle has a system to help driving on  
This is indicated by flashing of this  
warning lamp in the instrument panel.  
snow: intelligent traction control.  
 
It is recommended that the systems be  
reactivated as soon as possible.  
The trajectory control systems offer  
increased safety in normal driving, but  
this should not encourage the driver to  
take extra risks or drive at high speed.  
The correct functioning of these  
systems is assured provided that  
manufacturer's recommendations are  
observed on:  
Reactivation  
These systems are reactivated automatically  
each time the ignition is switched back on or  
from 30 mph (50 km/h).  
Press the "ESP OFF" button again to  
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wheels (tyres and rims),  
braking components,  
electronic components,  
assembly and repair procedures.  
reactivate them manually.  
Deactivation  
Operating fault  
After an impact, have these systems  
checked by a CITROËN dealer or a  
qualified workshop.  
In exceptional conditions (starting a vehicle  
which is bogged down, stuck in snow, on soft  
ground...), if you are unable to make progress,  
it may be advisable to temporarily deactivate  
these systems, so that the wheels can spin  
freely and allow the vehicle to move.  
If this warning lamp in the instrument  
panel and the "ESP OFF" indicator  
lamp in the button come on,  
accompanied by an audible signal and  
a message in the screen, this indicates a fault  
with these systems.  
Have it checked by a CITROËN dealer or a  
qualified workshop.  
Press the "ESP OFF" button, located near  
the steering wheel.  
If the indicator lamp in the button comes  
on, this indicates that these systems are  
deactivated.