Collision Risk Alert; Modifying The Alert Trigger Threshold - CITROEN C4 Spacetourer Handbook

Clean the windscreen regularly,
particularly the area in front of the camera.
The internal surface of the windscreen can
also become misted around the camera.
In humid and cold weather, demist the
windscreen regularly.
Do not allow snow to accumulate on the
bonnet or roof of the vehicle as this could
conceal the detection camera.
Clean the front bumper, especially around
the radar, removing mud, snow, etc.
In the following cases, deactivating the system
via the vehicle's configuration menu is advised:
- towing a trailer,
- carrying long objects on roof bars or roof
rack,
- with snow chains fitted,
- before using an automatic car wash, with
the engine running,
- before placing the vehicle on a rolling road
in a workshop,
- towed vehicle, engine running,
- damaged front bumper (version with radar),
- following impact to the windscreen close to
the detection camera.
The system is automatically deactivated
after the use of the "space-saver" type
spare wheel is detected, or if a fault with
the lateral brake lamps is detected.
It is possible that warnings are not given,
are given too late or seem unjustified.
Consequently, always stay in control of
your vehicle and be prepared to react at
any time to avoid an accident.
After an impact, the function automatically
stops operating. Contact a CITROËN
dealer or a qualified workshop to have the
system checked.
If the front bumper is to be repainted or
retouched, contact a CITROËN dealer
or a qualified workshop. Certain types of
paint could interfere with the operation of
the radar.

Collision Risk Alert

It warns the driver if their vehicle is at risk of
collision with the vehicle in front or a pedestrian
present in their traffic lane.
Modifying the alert trigger
threshold
This threshold determines how you wish
to be alerted of the presence of a moving
or stationary vehicle in front of you, or
a pedestrian present in your traffic lane.
The current threshold can only be
modified via the touch screen's
Driving menu.
You can select one of three predefined
thresholds:
- "Distant",
- "Normal",
- "Close".
The last threshold selected is kept in memory
when the ignition is switched off.
Operation
Depending on the degree of risk of collision
detected by the system and the alert threshold
chosen by the driver, different levels of
alert can be triggered and displayed in the
instrument panel.
Driving
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