ECU CITROEN C3 2021 User Guide

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Localised Emergency Call
If an impact is detected by the airbag
control unit, and independently of
the deployment of any airbags, an
emergency call is made automatically.
If you benefit from the CITROËN

C

onnect Box offer with the SOS and
assistance pack included, there are
additional services available to you in
your MyCITROËN personal space, via
the Internet website for your country.
In an emergency, press this
button for more than 2 seconds.
Flashing of the green LED and
a voice message confirm that
the call has been made to the
"Localised Emergency Call" call
c e nt re*.
The green LED remains on (without flashing)
when communication is established.
It goes off at the end of the call. Pressing this button again immediately cancels
the request.
The green LED goes off.
"Localised Emergency Call" immediately
locates your vehicle, starts communication with
you in your language**, and where necessary
sends the appropriate public emergency
services**. In countries where the service is
not available, or when the locating service has
been expressly declined, the call is sent directly
to the emergency services (112) without the
vehicle location. *

S

ubject to the general conditions for the
service available from dealers and subject to
technological and technical limitations.
**

D

epending on the geographical cover of
"Localised Emergency Call", "Localised
Assistance Call" and the official national
language selected by the owner of the
vehicle. The list of countries covered and Telematic
services is available from dealers or at
www.citroen.co.uk.
Emergency or assistance call
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Localised Assistance Call
Operation of the systemIf you purchased your vehicle outside
the CITROËN dealer network, we
invite you to have a dealer check the
configuration of these services and, if
desired, modified to suit your wishes. In
a multi-lingual country, configuration is
possible in the official national language
of your choice.
For technical reasons and in particular
to improve the quality of "Telematic
services" services to customers, the
manufacturer reserves the right to carry
out updates to the vehicle's on-board
telematic system.
When the ignition is switched
on, the green LED comes on for
3 seconds indicating that the
system is operating correctly.
The red indicator lamp flashes
then goes off: there is a system
fault.
The red indicator lamp is on
continuously: there is a system
fault.
A fault with the system does not prevent
the vehicle being driven. Press this button for more than
2

seconds to request assistance if
the vehicle breaks down.
**

D

epending on the geographical cover of
"Localised Emergency Call", "Localised
Assistance Call" and the official national
language selected by the owner of the
vehicle. The list of countries covered and Telematic
services is available from dealers or at
www.citroen.co.uk.
Pressing this button again immediately cancels
the request.
The cancellation is confirmed by a voice
message.
Geo-location
You can deactivate geo-location by
simultaneously pressing the "Localised
Emergency Call" and "Localised Assistance
Call" buttons, followed by a press on "Localised
Assistance Call" to confirm.
To reactivate geo-location, simultaneously
press the "Localised Emergency Call" and
"Localised Assistance Call" buttons again,
followed by a press on "Localised Assistance
CallLocalisé" to confirm.
The red indicator lamp is on continuously:
replace the back-up battery.
The red indicator lamp flashes: replace the
back-up battery.
A voice message confirms that the call has
been made**.
In either case, the emergency and assistance
calls may not function.
Contact a qualified repairer as soon as
possible. For Russia, Belarus and Kazakhstan. For all countries except Russia, Belarus
and Kazakhstan.
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Electronic stability control (ESC) incorporating the following systems:
- a nti-lock braking system (ABS) and electronic brake force distribution (EBFD),
-

e
mergency braking assistance (EBA),
-

w
heel anti-slip regulation (ASR) or traction control,
-

d
ynamic stability control (DSC).
Electronic stability control (ESC)
Definitions
Anti-lock braking system (ABS)
and electronic brake force
distribution (EBFD)
This system improves the stability and
manoeuvrability of your vehicle when braking
and contributes towards improved control on
corners, in particular on poor or slippery road
surfaces.
The ABS prevents wheel lock in the event of
emergency braking.
The EBFD manages the braking pressure
wheel by wheel.
Emergency braking assistance
(EBA)
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-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.
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When this warning lamp comes on,
coupled with the STOP and ABS warning
lamps, accompanied by an audible signal
and a message, it indicates that there
is a fault with the electronic brake force
distribution (EBFD).
Anti-lock braking system (ABS) and electronic brake force
distribution (EBFD)
The fixed illumination of this warning
lamp indicates that there is a fault
with the ABS.
The vehicle retains conventional
braking. Drive carefully at moderate
speed. When changing wheels (tyres and
rims), ensure that these are approved
for your vehicle.
Normal operation of the ABS may make
itself felt by slight vibrations of the brake
pedal.
In emergency braking, press ver y
firmly and maintain this pressure.
You must stop as soon as it is safe to do so.
In both cases, have the system checked by a
CITROËN dealer or a qualified workshop as
soon as possible.
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Anti-slip regulation (ASR)
After an impact, have the system
checked by a CITROËN dealer or a
qualified workshop.
Activation
This system is activated automatically each
time the vehicle is started.
It comes into operation in the event of a
problem of grip.
Deactivation
In exceptional conditions (starting a vehicle
which is bogged down, stuck in snow, on soft
ground, etc.), it may be advisable to deactivate
the ASR system, so that the wheels can turn
freely and regain grip.This is indicated by the flashing of
this warning lamp in the instrument
panel.Operating fault
Reactivate the systems as soon as the level of
grip permits.
Deactivation is via the Driving menu
of the touch screen.
It is confirmed by a message.
Reactivation
The system is reactivated automatically every
time the ignition is switched back on or from
30
mph (50 km/h).
Below 30 mph (50 km/h), you can reactivate it
manually.
Reactivation is via the Driving menu
of the touch screen.
It is confirmed by a message.
Illumination of this warning lamp,
accompanied by an audible signal
and a message, indicate a fault with
the system.
Contact a CITROËN dealer or a qualified
workshop to have the system checked.
ASR / DSC
These systems offer even greater
safety during normal driving but should
not encourage the driver to take
additional risks or drive at excessively
high speed.
It is when the traction conditions
deteriorate (rain, snow, ice) that the risk
of loss of grip increases. Therefore, for
your safety, it is essential to leave these
systems active in all conditions, and
particularly in difficult conditions.
The operation of these systems
is assured on condition that the
manufacturer's recommendations
concerning the wheels (tyres and rims),
the braking components, the electronic
components and the CITROËN network
fitting and repair procedures are
complied with.
To ensure the effectiveness of these
systems in winter conditions, it is
essential to fit the vehicle with four
snow tyres which will enable the vehicle
to maintain neutral handling.
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Seat belts
Front seat belts
The front seat belts are fitted with a
pretensioning and force limiting system.
This system improves safety in the front
seats in the event of a front or side impact.
Depending on the severity of the impact, the
pretensioning system instantly tightens the seat
belts against the body of the occupants.
The pretensioning seat belts are active when
the ignition is on.
The force limiter reduces the pressure of the
seat belt on the chest of the occupant, so
improving their protection.
Fastening
F Pull the strap, then insert the tongue in the buckle.
F

C
heck that the seat belt is fastened
correctly by pulling the strap.
Unfastening
F Press the red button on the buckle.
F G uide the seat belt as it reels in.
Rear seat belts
The rear seats are each fitted with a three-point
inertia reel seat belt.
The side seats have a pretensioning system
and a force limiter.
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From approximately 12 mph
(20 km/h), the warning lamp(s)
flash(es) for two minutes
accompanied by an audible signal.
Once these two minutes have
elapsed, the warning lamp(s)
remain(s) on until the driver or front
passenger fastens their seat belt.
Seat belt not fastened / unfastened warning lamps Front seat belt warning lamps
On switching on the ignition, warning
lamp(s) A and/or B or C (depending
on the instrument panel) come(s)
on in the instrument panel and the
corresponding warning lamp (1 or 2 )
comes on in red in the passenger's
seat belt and front airbag warning
lamp display, if the driver's seat belt
or passengers' seat belts are not
fastened or are unfastened.
Symbols LCD instrument panel.
A.
F

ront left seat belt not fastened /
unfastened warning lamp.
B.
F

ront right seat belt not fastened /
unfastened warning lamp.
Rear seat belt warning lamps
The corresponding warning
lamp (3 to 5 ) comes on in red in the
seat belt and front airbag warning
lamp display, if one or more rear
passengers unfasten their seat belt.
1.
F

ront left seat belt warning lamp.
2.
F

ront right seat belt warning lamp.
3.
R

ear right seat belt warning lamp.
4. R
ear centre seat belt warning lamp.
5. R
ear left seat belt warning lamp.
Text LCD instrument panel.
C.
F

ront and rear seat belts not fastened /
unfastened warning lamp.
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The driver must ensure that passengers use
the seat belts correctly and that they are all
fastened before setting off.
Wherever you are seated in the vehicle,
always fasten your seat belt, even for short
journeys.
Do not interchange the seat belt buckles as
they will not fulfill their role fully.
The seat belts are fitted with an inertia reel
permitting automatic adjustment of the
length of the strap to your size. The seat belt
is stowed automatically when not in use.
Before and after use, ensure that the seat
belt is reeled in correctly.
The lower part of the strap must be
positioned as low as possible on the pelvis.
The upper part must be positioned in the
hollow of the shoulder.
The inertia reels are fitted with an automatic
locking device which comes into operation in
the event of a collision, emergency braking
or if the vehicle rolls over. You can release
the device by pulling the strap firmly and
then releasing it so that it reels in slightly.
In the event of an impact
Depending on the nature and
seriousness of the impact, the
pretensioning device may be deployed
before and independently of the airbags.
Deployment of the pretensioners is
accompanied by a slight discharge of
harmless smoke and a noise, due to the
activation of the pyrotechnic cartridge
incorporated in the system.
In all cases, the airbag warning lamp
comes
on.
Following an impact, have the seat belts
system checked, and if necessary replaced,
by a CITROËN dealer or a qualified
workshop.
In order to be effective, a seat belt must:
-

b

e tightened as close to the body as
possible,
-

b

e pulled in front of you with a smooth
movement, checking that it does not
twist,
-

b

e used to restrain only one person,
-

n

ot bear any trace of cuts or fraying,
-

n

ot be converted or modified to avoid
affecting its performance.
Recommendations for children
Use a suitable child seat if the passenger is
less than 12 years old or shorter than one
and a half metres.
Never use the same seat belt to secure more
than one person.
Never allow a child to travel on your lap.
For more information on Child seats , refer
to the corresponding section.
In accordance with current safety
regulations, for all repairs on your vehicle's
seat belts, go to a qualified workshop with
the skills and equipment needed, which a
CITROËN dealer is able to provide.
Have your seat belts checked regularly by
a CITROËN dealer or a qualified workshop,
particularly if the straps show signs of
damage.
Clean the seat belt straps with soapy
water or a textile cleaning product, sold by
CITROËN dealers.
After folding or moving a seat or rear bench
seat, ensure that the seat belt is positioned
and reeled in correctly.
Advice
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Airbags
General information
The airbags do not operate when the
ignition is switched off.
This equipment will only deploy once.
If a second impact occurs (during the
same or a subsequent accident), the
airbag will not be deployed again.Deployment of one or more of the
airbags is accompanied by a slight
emission of smoke and a noise, due
to the activation of the pyrotechnic
cartridge incorporated in the system.
This smoke is not harmful, but sensitive
individuals may experience slight
irritation.
The noise of detonation associated with
the deployment of one or more airbags
may result in a slight loss of hearing for
a short time.
Impact detection zones
A. Front impact zone.
B. S
ide impact zone.
System designed to contribute towards
improving the safety of the occupants (with
the exception of the rear centre passenger)
in the event of violent collisions. The airbags
supplement the action of the seat belts fitted
with force limiters (all except the centre rear
passenger belt).
If a collision occurs, the electronic detectors
record and analyse the front and side impacts
sustained in the impact detection zones:
-

i

n the case of a serious impact, the airbags
are deployed instantly and contribute
towards better protection of the occupants
of the vehicle (with the exception of the
rear centre passenger); immediately after
the impact, the airbags deflate rapidly so
that they do not hinder visibility or the exit
of the occupants,
-

i

n the case of a minor or rear impact or in
certain roll-over conditions, the airbags
may not be deployed; the seat belt
alone contributes towards ensuring your
protection in these situations.
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Deactivating the passenger's
front airbag
Only the passenger's front airbag can be
deactivated.
F
W
ith the ignition off , insert the key in the
passenger airbag deactivation switch.
F

T
urn it to the "OFF" position.
F

R
emove the key keeping the switch in the
new position.
When the ignition is switched on, this
warning lamp comes in the seat belt
warning lamps display screen or in
the instrument panel. It stays on while
the airbag is deactivated. To assure the safety of your child,
the passenger's front airbag must be
deactivated when you install a rear ward
facing child seat on the front passenger
seat.
Other wise, the child would risk being
seriously injured or killed if the airbag
were deployed.
Reactivating the passenger's
front airbag
When you remove a rearward facing
child
seat, with the ignition off , turn the switch to
the "ON" position to reactivate the airbag and
so assure the safety of your front passenger in
the event of an impact.
Front airbags
Deployment
The airbags are deployed, except the
passenger's front airbag if it is deactivated, in the
event of a serious front impact to all or part of the
front impact zone A , in the longitudinal centreline
of the vehicle on a horizontal plane and directed
from the front to the rear of the vehicle.
The front airbag inflates between the thorax
and head of the front occupant of the vehicle
and the steering wheel, driver's side, and the
dashboard, passenger's side, to cushion their
for ward movement. System which protects the driver and front
passenger in the event of a serious front impact
in order to limit the risk of injury to the head and
thorax.
The driver's airbag is fitted in the centre of the
steering wheel; the front passenger's airbag is
fitted in the dashboard above the glove box.
When the ignition is switched on,
this warning lamp comes on in the
seat belt warning lamps display
screen or in the instrument panel for
approximately one minute to signal
that the front airbag is activated.
Operating fault
If this warning lamp comes on in the
instrument panel, you must contact a
CITROËN dealer or a qualified workshop
without delay to have the system
checked. The airbags may no longer be
deployed in the event of a serious impact.
Safety