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8
Safety
155
Electronic stability programme (ESC)
Definitions
Anti-slip regulation (ASR)
The ASR system (also known as Traction
Control) optimises traction in order to limit
wheel slip by acting on the brakes of the driving
wheels and on the engine. It also improves
the directional stability of the vehicle on
acceleration.
Dynamic stability control (DSC)
If there is a difference between the path
followed by the vehicle and that required by
the driver, the DSC monitors each wheel and
automatically acts on the brake of one or more
wheels and on the engine to return the vehicle
to the required path, within the limits of the laws
of physics.
Emergency braking assistance
In an emergency, this system enables you to
reach the optimum braking pressure more
quickly and therefore reduce the stopping
distance.
It is triggered according to the speed at which
the brake pedal is pressed. This is felt by a
reduction in the resistance of the pedal and an
increase in the effectiveness of the braking.
Anti-lock braking system (ABS)
and electronic brake force
distribution (EBFD)
This system improves the stability and
manoeuvrability of your vehicle when braking
and provides improved control in corners, in
particular on poor or slippery road surfaces.
The ABS prevents wheel lock in the event of
emergency braking.
The electronic brake force distribution system
manages the braking pressure wheel by wheel.
Snow driving assistance
(Intelligent Traction Control)
Your vehicle has a system to help driving on
snow:
Intelligent Traction Control.
This automatic system continuously checks
for 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,
Intelligent Traction
Control
limits the amount of wheel slip to
provide the best traction and trajectory control.
In extremely severe conditions (deep snow,
mud…), it can be useful to temporarily
deactivate the
dynamic stability control and
wheel anti-slip
systems to allow a degree of
wheel spin and so recover grip.
It is recommended that the system be
reactivated as soon as possible.
Snow tyres are strongly recommended on
surfaces offering low levels of adhesion.
Electronic Stability Programme (ESC:
Electronic Stability Control) incorporating the
following systems:
- the anti-lock braking system (ABS) and the
electronic brake force distribution (EBFD),
- the emergency braking assistance,
- the anti-slip regulation (ASR) or traction
control,
- the dynamic stability control (DSC).
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