2015 Citroen C1 sensor

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C1_en_Chap06_visibilite_ed01-2015
Foglamp selection ring
The foglamp operates with the dipped and main
beam headlamps.
F
T
urn the ring for ward and release to switch
on the rear foglamp.
When the lighting is switched off automatically
(with AUTO model) or when the dipped beam
headlamps are switched off manually, the
foglamp and the sidelamps will remain on.
F

T
urn the ring rear ward and release to
switch off all the lamps. Rear foglamp. In good or rainy weather, both day
and night, use of the rear foglamp is
prohibited. In these situations, the
power of its beam may dazzle other
drivers. It should only be used in fog or
snow.
In these weather conditions, it is your
responsibility to switch on the foglamp
and dipped beam headlamps manually
as the sunshine sensor may detect
sufficient light.
Do not forget to switch off the rear
foglamp when it is no longer needed.
Switching off the lamps when
the ignition is switched off
On switching off the ignition, all of the
lamps turn off immediately, except for
dipped beam if guide-me-home lighting
is activated.
Switching on the lamps after
the ignition is switched off
To reactivate the lighting control, rotate
the ring to the "0"
position - lamps off,
then to the desired position.
On opening the driver's door a
continuous audible signal warns the
driver that the lighting is on.
6
Visibility

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Automatic illumination of
headlamps
Switching on
F Turn the ring to the "AUTO" position.
Using a sunshine sensor, if a low level of
ambient light level is detected, the sidelamps
and dipped beam headlamps come on
automatically, without any action by the driver.
When the ambient light returns to a sufficient
level or the wipers are switched off, the lighting
is switched off automatically.
The sensor is located at the base of the
windscreen.
Switching off
F Turn the ring to another position. In foggy weather or in snow, the
sunshine sensor may detect sufficient
light. The lighting will not come on
automatically.
Do not cover the sunshine sensor, the
associated functions will no longer be
controlled.
Visibility

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Under-inflation detection
The system monitors the pressures in the four
tyres, once the vehicle is moving.
It compares the information given by the four
wheel speed sensors with reference values,
which must be reinitialised ever y time the
tyre pressures are adjusted or a wheel
changed.
The system triggers an alert as soon as it
detects a drop in the inflation pressure of one
or more tyres. The under-inflation detection system
does not replace the need for vigilance
on the part of the driver.
This system does not avoid the need to
check the tyre pressures (including the
spare wheel) every month as well as
before a long journey.
Driving with under-inflated tyres impairs
road holding, extends braking distances
and causes premature tyre wear,
particularly under arduous condition
(high loading, high speed, long journey).
System which automatically checks the pressures of the tyres while driving.
Hazard warning
lamps
Visual warning by means of the direction
indicators to alert other road users to a vehicle
breakdown, towing or accident.
F

P
ress this button, the direction indicators
flash.
They can operate with the ignition off.
Safety

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Active City Brake
Active City Brake is a driving assistance system that aims to avoid a frontal collision or reduce the speed of an impact if the driver does not react or
reacts too late (brake application too late).This system is designed to improve
driving safety.
It remains the driver's responsibility to
continuously monitor the state of the
traffic and to assess the distances and
relative speeds of other vehicles.
Active City Brake can in no
circumstances replace the need for
vigilance on the part of the driver.
Never look at the laser sensor through
an optical instrument (magnifying glass,
microscope...) at a distance of less than
10 centimetres: risk of eye injury.
Automatic braking occurs later than if
done by the driver, so as to intervene
only when there is a high risk of
collision.
Principle
Using a laser sensor and a camera located at
the top of the windscreen, this system detects
a vehicle running in the same direction or
stationary ahead of your vehicle.
When necessary, the vehicle's braking system
is operated automatically to reduce the speed
of impact or to help avoid a collision with the
vehicle ahead.
Conditions for activation
Active City Brake only operates if the following
conditions are met:
●
t
he engine is running,
●

t
he vehicle is in a for ward gear,
●

t
he speed is between 9 and 87 mph
(15
and 140 km/h) for triggering the alert ;
the difference in speed between your
vehicle and the one ahead is more than
about 9
mph (15 km/h),
●

t
he speed is between about 18 and 50 mph
(30 and 80 km/h) for braking assistance ;
the difference in speed between your
vehicle and the one ahead is more than
about 18 mph (30 km/h),
●

t
he speed is between about 6 and 50 mph
(10 and 80 km/h) for automatic braking ;
the difference in speed between your
vehicle and the one ahead is more than
about 6 mph (10 km/h),
●

t
he braking assistance systems (ABS,
EBFD, EBA) are not faulty,
●

t
he trajectory control systems (TRC, DSC)
are not deactivated or faulty,
●

t
he vehicle is not in a tight corner,
●

t
he system has not been triggered during
the previous 10 seconds.
Safety

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Unwanted triggering of the system
It is possible for the system to detect a risk of
imminent collision and start working, in the
following conditions in particular:
-
d
etection of an object located close to the
outer edge of a bend (safety barrier, lamp
post or road sign),
-

d
etection of an object located at the top or
bottom of a steep slope,
-

d
etection of reflective objects (central
reservation...) in the road,
-

d
etection of the upper bar of a bridge or a
traffic light gantry,
-

d
etection of a vehicle on a bend travelling
in the other direction,
-

d
etection of a vehicle traveling in the other
direction, at a crossroads, when your
vehicle is turning left or right,
-

i
f the vehicle ahead of you sends up water
or snow,
-

i
f your vehicle stops very close to a wall or
other vehicles,
-

w
hen your vehicle closes rapidly on the
vehicle ahead,
-

i
f the vehicle is raised or lowered,
-
i

f the vehicle passes through a plastic curtain,
-

i
f driving through mist or smoke,
-

i
f the sensor is misaligned (following
replacement after a collision).
Never leave accumulations of snow or
any object projecting above the bonnet
or in front of the roof: this might fall into
the field of vision of the sensor and
generate a detection.
Operating limits
The system only detects
vehicles (cars, lorries)
that are stationary or moving in the same
direction as your vehicle. In difficult weather conditions (very
heavy rain, snow, fog, hail...), braking
distances increase, which can reduce
the ability of the system to avoid a
collision.
The driver must therefore remain
particularly vigilant.
The system is not triggered or is interrupted if
the driver:
-

a
ccelerates strongly (even if the speed
limiter is on),
-

o
r turns the steering wheel suddenly
(avoiding manoeuvre).
Detection capability is less effective if:
-

y
ou are driving on roads with pronounced
bends and/or on roads in poor condition,
-

y
our vehicle is excessively loaded, as
this changes the horizontal attitude of the
vehicle. It does not detect small vehicles
(bicycles, motorcycles), pedestrians or
animals, nor non-reflective stationary
objects.
7
Safety

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Operating faults
Sensor fault
The operation of the laser sensor may suffer
inter ference from accumulations of dirt or
misting of the windscreen.In this case you are warned by the
display of this flashing warning lamp
in the instrument panel.
Use the windscreen demisting and regularly
clean the area of the windscreen in front of the
sensor.
Do not stick or other wise fix any object
on the windscreen in front of the sensor.
System fault
In the event of a malfunction of
the system, you are warned by the
display of this flashing warning lamp
in the instrument panel.
Have the system checked by a CITROËN
dealer or a qualified workshop. In the event of an impact to the
windscreen at the sensor, deactivate
the system and contact a CITROËN
dealer or a qualified workshop
to have
your windscreen replaced.
Never try to remove, adjust or test the
sensor.
Only a CITROËN dealer or a qualified
workshop is able to work on the system.
Safety

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Accessories
A wide range of accessories and genuine parts is available from the CITROËN dealer network.
These accessories and parts are all suitable for your vehicle and benefit from CITROËN's recommendation and warranty.
"Transport solutions":

boot carpet, boot liner,
transverse roof bars, bicycle carrier, ski carrier,
roof boxes, boot dividers, ...
"Styling": rear diffuser, aluminium gear knob,
alloy wheels, exterior expressive stickers,
chrome side mouldings, chrome mirror shells,
door sill finishers, ... "Comfort":


air deflectors, insulated module,
sun blinds, scented air freshener, portable
ashtray, coat hanger fitted to head restraint,
reading lamp, front and rear parking sensors,
centre armrest, cigarette lighter... "Security and safety":
anti-theft alarm,
vehicle tracking system, snow chains, wheel
non-slip covers, wheel security bolts, child
seats, first aid kit, warning triangle, high
visibility vest, breathalyzer, fire extinguisher,
pet seat belt, foglamp kit, seat belt cutter/glass
hammer, ...
"Protection": mats, mud flaps, vehicle cover,
seat covers, side protective mouldings, bumper
protectors, ...
To prevent the mat from becoming caught
under the pedals:
-

e
nsure that the mat is secured correctly,
-

n
ever fit one mat on top of another."Multimedia":


audio system, speaker, semi-
integral navigation systems, hands-free kit,
driving assistance systems, 230 V socket,
rear multi-media support, DVD players,
portable satellite navigation system, telephone/
smartphone support, digital radio, ...
9
Practical information