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Deactivation/Activation
By default, the system is automatically activated
at every engine start.
It is configured in the ADAS touch screen
application.
Deactivation of the system is signalled by
the illumination of this warning lamp,
accompanied by the display of a message.
Operating conditions and
limits
Vehicle moving forward without trailer.
Brake system operational.
ASR / ESP system activated.
Seat belts fastened for all passengers.
Stabilised speed on roads with no or low
curvature.
This warning lamp lights up on the
instrument panel without any additional
message, to indicate that the "automatic braking
system" is not available. This is a normal
behavior indicating that a condition is not fulfilled
and which does not request the support of a
workshop.
In any situations with ignition on where automatic
braking presents a risk, deactivating the
system via ADAS touch screen application is
recommended, for instance:
– Towing a trailer (particularly a trailer without its
own braking system).
– Carrying long objects on roof bars.
– Driving with snow chains.
– Using an automatic car wash.
– Performing any maintenance (e.g. changing a
wheel, working underhood).
– Placing the vehicle on a rolling bench in a
workshop.
– Towing the vehicle.
– Following a front bumper deformation (version
with radar).
– Following an impact to the windscreen close to
the detection camera.
The system is automatically deactivated
if:
– A spare wheel with a too small diameter is
detected.
– A fault with the brake pedal switch or with
the right or left brake lamp is detected.
– A fault in the sensors, in the electronic or in
the brake system is detected.
– A trailer is detected by the equipped vehicle
hitch (with an electrical connection plug).
The system diagnoses permanently its
capability and may inhibit itself without
specific driver indication, if the system is
outside of the regular operating conditions.
Examples: sensor initialization, board voltage
out of regular range, activation of stability
system...
Therefore the system may not be available
just after starting the vehicle.
It can be dangerous to drive if the brake
lamps are not in perfect working order.
The driver must not load his vehicle
excessively (respect of MTAC values,
MTRA values and loading height on roof
bars).
Following an impact (e.g. a collision), the
system is automatically deactivated.
Have it checked by a CITROËN dealer or a
qualified workshop.
Collision Risk Alert
This function warns the driver if there is a risk
of collision with the preceding vehicle, or with a
pedestrian or cyclist.
Modifying the alert trigger threshold
The trigger threshold determines the sensitivity
with which the function warns of the risk of
collision.
It is configured in the ADAS touch screen
application.
► Select one of the 3 preset thresholds: "Far",
"Medium" or "Near".
The selected threshold is memorised when the
ignition is switched off.
Operation
Depending on the collision risk detected by the
system and the alert trigger threshold chosen
Driving
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