2023 CITROEN C4 ignition

74
Safety
General safety
recommendations
Do not remove the labels attached in
different places on your vehicle. They
include safety warnings as well as
identification information for the vehicle.
For all work on your vehicle, use a
qualified workshop that has the technical
information, skills and equipment required, all
of which a CITROËN dealer is able to
provide.
Depending on country regulations,
certain safety equipment may be
mandatory: high visibility safety vests,
warning triangles, breathalysers, spare bulbs,
spare fuses, fire extinguisher, first aid kit, mud
flaps at the rear of the vehicle, etc.
Installing electrical accessories:
– The fitting of electrical equipment or
accessories not approved by CITROËN may
cause excessive current consumption and
faults and failures with the electrical system
of your vehicle. Contact a CITROËN dealer
for information on the range of approved
accessories.
–

As a safety measure, access to the
diagnostic socket, used for the vehicle's
electronic systems, is reserved strictly for
CITROËN dealers or qualified workshops,
equipped with the special tools required (risk
of malfunctions of the vehicle's electronic
systems that could cause breakdowns or
serious accidents). The Manufacturer cannot
be held responsible if this advice is not
followed.
–

Any modification or adaptation not intended
or authorised by CITROËN or carried out
without meeting the technical requirements
defined by the Manufacturer will result in the
suspension of the commercial warranty

.
Installation of accessory radio
communication transmitters
Before installing a radio communication
transmitter with an external aerial, you must
without fail contact a CITROËN dealer for
the specification of transmitters which can
be fitted (frequency, maximum power, aerial
position, specific installation requirements),
in line with the Vehicle Electromagnetic
Compatibility Directive (2004/104/EC).
Declarations of conformity for radio
equipment
The relevant certificates are available on the
brand website:
http://service.citroen.com/ACddb/
Hazard warning lamps



► Pressing this red button causes all the
direction indicators to flash.
They can work with the ignition switched off.
Automatic operation of hazard warning lamps
When braking in an emergency, depending on
the rate of deceleration, the hazard warning
lamps come on automatically. They switch off
automatically when you next accelerate.
They can be turned off by pressing the button
again.

76
Safety
Operation of the system
Vehicles equipped with Touch screen
BLUETOOTH audio system, MyCitroën
Play or MyCitroën Drive
– Upon switching on the ignition, the indicator
lamp lights up red, then green, and then goes
out: the system is operating correctly
.
–

The indicator lamp flashes red: replace the
back-up battery

.
–

The indicator lamp is fixed red: system
malfunction.

The emergency and assistance call
services may not work.
–

If the indicator lamp does not come on when
the ignition is switched on, this also means that
there is a system malfunction.
If the problem persists, contact a qualified
workshop as soon as possible.
A system malfunction does not prevent the vehicle from being driven.
Vehicles equipped with MyCitroën Drive
Plus
– Upon switching on the ignition, the indicator
lamp lights up for a few seconds and then goes
out: the system is operating correctly
.
–

The indicator lamp flashes red: emergency
battery is flat.

This will be recharged after a few
minutes' driving.
–

The indicator lamp is fixed red: system
malfunction.

The emergency and assistance call
services may not work.
– If the indicator lamp does not light up when
the ignition is turned on, this is also a system
malfunction.
If the problem persists, contact a qualified
workshop as soon as possible.
A system malfunction does not prevent the vehicle from being driven.
When an onboard system update is
being performed, the eCall (SOS)
function is not available.
Data processing
All processing of personal data by
the eCall (SOS) function complies with
the framework for protection of personal
information established by Regulation
2016/679 (General Data Protection
Regulation - GDPR) and Directive 2002/58/
EC of the European Parliament and the
Council, and in particular, seeks to protect
the vital interests of the data subject, in
accordance with Article 6 (1) d) GDPR.
The processing of personal data is strictly
limited to the purpose of handling the eCall
(SOS) function used with the “112” single
European emergency call number.
The eCall (SOS) function is only able to
collect and process the following data
relating to the vehicle: vehicle identification
number, vehicle type (passenger vehicle or
light commercial vehicle), fuel type or power
source, three most recent locations and
direction of travel, number of passengers
and a timestamped log file of the automatic
activation of the system and its timestamp.
The recipients of the processed data are the
emergency call handling centres designated
by the relevant national authorities in the
territory in which they are located, enabling
priority routing and handling of calls to the
“112” emergency number.
Data storage
Data contained in the system’s memory
is not accessible from outside the system until
a call is made. The system is not traceable
and is not continuously monitored in its
normal operating mode.
The data in the system's internal memory is
automatically and continuously erased. Only
the vehicle’s three most recent locations,
necessary for the normal functioning of the
system, are stored.
When an emergency call is triggered, the data
log is stored for no more than 13 hours.
Access to data
You have the right of access to data and
as appropriate to request the rectification,
erasure or restriction of processing of any
personal data not processed in accordance
with the provisions of GDPR. Third parties
to which data has been disclosed shall

78
Safety
ABS prevents wheel locking in the event of
emergency braking.
Electronic brake force distribution (EBFD)
manages overall braking pressure on each
individual wheel.
►
When braking in an emergency
, depress
the pedal very firmly and maintain this
pressure.
Normal operation of the ABS may make
itself felt by slight vibrations of the brake
pedal.
The fixed illumination of this warning lamp signals that there is a fault with the ABS.
The vehicle retains conventional braking. Drive
carefully at a moderate speed.
Have it checked by a CITROËN dealer or a
qualified workshop.
This warning lamp, when lit together with the STOP and ABS warning lamps,
accompanied by a message and an audible
signal, indicates an EBFD malfunction.
You must stop the vehicle.
Stop as soon as it is safe to do so and switch off
the ignition.
Contact a CITROËN dealer or a qualified
workshop.
When changing wheels (tyres and rims),
ensure that these are approved for your
vehicle.
After an impact
Have it checked by a CITROËN dealer or
a qualified workshop.
Post Collision Safety Brake
(PCSB)
If an accident is detected, the vehicle initiates
automatic post collision braking. The goal of this
system is to reduce the risk of further collisions if
the driver does not react.
The system is not operational if the capability of
the vehicle to trigger and execute the automatic
post collision braking is not available, as it can
occur in destructive accidents or in other specific
accident scenarios.
It is possible to override the automatic braking by
pressing the brake pedal or accelerator pedal.
Operating conditions
The system operates, if the following conditions
are met:
–

Airbags or pyrotechnic seat belt pretensioners
have been deployed by the collision.
–


Braking systems and electric functions remain
continuously operational during and after
collision.
–


Driver has not depressed the brake or
accelerator pedal.
Malfunction
In the event of a
malfunction, one of these warning lamps will come on fixed on the
instrument panel, accompanied by the Service
warning lamp, the display of a message and an
audible signal.
Have it checked by a CITROËN dealer or a
qualified workshop.
Emergency braking
assistance (EBA)
This system reduces the emergency stopping
distance, by optimising the braking pressure.
It is triggered in relation to the speed at which
the brake pedal is depressed. The effect of this
is a reduction in the resistance of the pedal and
an increase in braking efficiency.
Anti-slip regulation (ASR)
/ Dynamic stability control
(DSC)
Anti-slip regulation (or traction control) optimises
traction by using engine braking and by applying
the brakes on the driving wheels to avoid one
or more wheels spinning. It also enhances the
vehicle's directional stability.
If there is a difference between the vehicle’s
trajectory and the path desired by the driver, the
dynamic stability control system automatically
uses engine braking and the brakes on one or
more wheels to return the vehicle to the desired
path, within the limits of the laws of physics.

79
Safety
5These systems are activated automatically every
time the vehicle is started.
These systems are activated in the event of a problem with grip or trajectory
(confirmed by this warning lamp flashing on the
instrument panel).
Deactivation/Reactivation
In exceptional conditions (e.g. moving a vehicle
that is bogged down in mud, stuck in snow , on
loose soil), it may prove useful to deactivate the
ASR system, so that the wheels can move freely
and regain grip.
Reactivate the system as soon as the level of
grip permits.
With Touch screen BLUETOOTH audio
system or MyCitroën Play
The ASR system is deactivated/ reactivated in the Driving touch screen
menu.
With MyCitroën Drive
The ASR system is deactivated/ reactivated in the Vehicle touch screen
menu.
With MyCitroën Drive Plus
The ASR system is deactivated/ reactivated in the ADAS touch screen
application.
Deactivation of the ASR system is
indicated by this indicator lamp on the
instrument panel coming on and the display of a
message.
The ASR system is automatically reactivated
every time the ignition is switched off or at
speeds over 31 mph (50 km/h)
Reactivation is manual below 31 mph (50 km/h).
Malfunction
In the event of a malfunction, this warning
lamp lights up on the instrument panel,
accompanied by the display of a message and
an audible signal.
Have it checked by a CITROËN dealer or a
qualified workshop.
ASR/DSC
These systems enhance safety during
normal driving, but should not encourage
the driver to take extra risks or drive at high
speed.
It is in conditions of reduced grip (rain, snow,
ice) that the risk of loss of grip increases. It
is therefore important for your safety to keep
these systems activated in all conditions, and
particularly in difficult conditions.
Correct operation of these systems depends
on compliance with the manufacturer's
recommendations relating to the wheels
(tyres and rims), braking and electronic
components, as well as the assembly and
repair procedures provided by CITROËN
dealers.
In order to ensure that these systems remain
effective in wintry conditions, the use of snow
or all-season tyres is recommended. All four
wheels must be fitted with tyres approved for
your vehicle.
All tyre specifications are listed on the
tyre/paint label. For more information
on Identification markings , refer to the
corresponding section.
Seat belts
Inertia reel
The seat belts are equipped with an inertia
reel which allows the strap length to adjust
automatically to the shape of the user. The seat
belt returns to its storage automatically when it
is not used.
The inertia reels are fitted with a device which
automatically locks the strap in the event of a
collision, emergency braking or if the vehicle rolls
over. It can be released by pulling the strap firmly
and then releasing it so that it reels in slightly.
Pyrotechnic pretensioning
This system improves safety in the event of a
frontal or side impact.
Depending on the severity of the impact, the
pyrotechnic pretensioning system instantly
tightens the seat belts against the body of the
occupants.
The pyrotechnic pretensioning seat belts are
enabled when the ignition is on.
Force limiting system

80
Safety
This system reduces the pressure of the seat
belt on the chest of the occupant, thus improving
their protection.
In the event of an impact
Depending on the nature and
seriousness of the impacts, the pyrotechnic
device may trigger before and independently
of airbag deployment. 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 belt
system checked, and if necessary replaced,
by a CITROËN dealer or a qualified
workshop.
Front seat belts
The front seat belts are fitted with a pyrotechnic
pretensioning system and a force limiting
system.
Rear seat belts

Each of the rear seats has a three-point seat belt
with inertia reel.
The outer seats are fitted with a pyrotechnic
pretensioning and force limiting system.
Fastening
► Pull the strap, then insert the tongue into the
buckle.
►

Check that the seat belt is fastened correctly
by pulling on the strap.
Unfastening
► Press the red button on the buckle.
► Guide the seat belt as it is reeled in.
Seat belts warning lamps
display




1. Front left seat belt warning lamp
2. Front right seat belt warning lamp
3. Rear left seat belt warning lamp
4. Rear centre seat belt warning lamp
5. Rear right seat belt warning lamp
Not fastened/unfastened warning lamp
It comes on in red on both the instrument panel
and on the seat belts warning lamps display as
soon as the system detects that a seat belt is not
fastened or has been unfastened.
Type 1
Front seat belt not fastened alert
When the ignition is switched on, if the
driver or front passenger has not fastened their
seat belt, the corresponding warning lamp ( 1 or
2) comes on in red. At a speed greater than 12
mph (20
km/h), the warning lamp flashes red,
accompanied by an audible signal for around 2
minutes. After this time has elapsed, the warning
lamp remains on fixed in red until the seat belt is
fastened.

81
Safety
5Rear seat belt not fastened alert
When the ignition is switched on, if one of
the rear passengers has not fastened their seat
belt, the corresponding warning lamp ( 3, 4 or 5)
comes on in red for 60 seconds.
Seat belt unfastened alert
After the ignition is switched on, if the
driver or a passenger unfastens their seat belt,
the corresponding warning lamp ( 1, 2, 3, 4 or
5) comes on in red. At a speed greater than
12 mph (20
km/h), the warning lamp flashes,
accompanied by an audible signal for around 2
minutes. After this time has elapsed, the warning
lamp remains on until the seat belt has been
fastened again.
With the ignition on, if the driver or a
passenger fastens their seat belt, the
corresponding warning lamp ( 1, 2, 3, 4 or 5)
comes on in green on the display.
With the ignition on, if one of the front or
rear passenger seats is detected as being
unoccupied, the corresponding warning lamp ( 2,
3, 4 or 5) comes on in grey.
When there are no longer any not fastened/
unfastened alerts, the green or grey warning
lamps remain on for around 30 seconds, then
go off.
Type 2
Front seat belt not fastened alert
When the ignition is switched on, if the
driver or front passenger has not fastened their
seat belt, the corresponding warning lamp ( 1 or
2) comes on in red. At a speed greater than 12
mph (20
km/h), the warning lamp flashes red,
accompanied by an audible signal for around 2
minutes. After this time has elapsed, the warning
lamp remains on fixed in red until the seat belt is
fastened.
Rear seat belt not fastened alert
When the ignition is switched on, if one of
the rear passengers has not fastened their seat
belt, the corresponding warning lamp ( 3, 4 or 5)
comes on in red for 60 seconds.
Seat belt unfastened alert
After the ignition is switched on, if the
driver or a passenger unfastens their seat belt,
the corresponding warning lamp ( 1, 2, 3, 4 or
5) comes on in red. At a speed greater than
12 mph (20
km/h), the warning lamp flashes,
accompanied by an audible signal for around 2
minutes. After this time has elapsed, the warning
lamp remains on until the seat belt has been
fastened again.
Advice
The driver must ensure that passengers use the seat belts correctly and that they
are all fastened before setting off.
Wherever seated in the vehicle, you must
always fasten the seat belt, even for short
journeys.
Do not invert the seat belt buckles, as they
will not fulfil their role properly.
To ensure the proper functioning of the belt
buckles, make sure that there are no foreign
bodies present (e.g.
a coin) before fastening.
Before and after use, ensure that the seat belt
is reeled in correctly.
After folding or moving a seat or rear bench
seat, ensure that the seat belt is positioned
and reeled in correctly.
Installation
The lower part of the strap must be
positioned as low as possible over the pelvis.
The upper part must be positioned in the
hollow of the shoulder.
At the front, adjusting the position of the
seat belt may require the seat height to be
adjusted.
In order to be effective, a seat belt must:
–

be tightened as close to the body as
possible.
–


be pulled in front of you with a smooth
movement, checking that it is not twisted.
–


must only be used to secure one person.
–


not show signs of tearing or fraying.
–


not be changed or modified, in order 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 1.5
metres.

82
Safety
Never use the same seat belt to secure more
than one child.
Never carry a child on your lap.
For more information on Child seats, refer to
the corresponding section.
Maintenance
In accordance with current safety
regulations, for all work on your vehicle's
seat belts, contact a qualified workshop with
the skills and equipment needed, which a
CITROËN
dealer is able to provide.
Have the 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.
Airbags
General information
System designed to help improve the safety
of the occupants sitting in the front seats and
the rear outer seats, in the event of a violent
collision. The airbags supplement the action
of the seat belts equipped with a force limiting
system.
Electronic detectors record and analyse the
front and side impacts sustained in the impact
detection zones:
–

In the event of violent impact, the airbags
deploy instantly and help better protect the
occupants of the vehicle; immediately after the
impact, the airbags deflate rapidly in order not
to hinder the visibility or the possible exit of the
occupants.
–


In the event of a slight impact, a rear impact
and under certain rollover conditions, the airbags
may not deploy; only the seat belt helps to
protect you in these situations.
The seriousness of the impact depends on the
nature of the obstacle and the speed of the
vehicle at the moment of collision.
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.
Impact detection zones
A. Front impact zone
B. Side impact zone
When one or more airbags are deployed,
the detonation of the pyrotechnic charge
incorporated in the system makes a noise and
releases a small quantity of smoke.
This smoke is not harmful, but sensitive
individuals may experience irritation.
The detonation noise associated with the
deployment of one or more airbags may result
in a slight loss of hearing for a short time.

87
Safety
5

With the ignition off:
► T o deactivate the airbag, turn the key in the
switch to the "OFF " position.
►

T
o reactivate it, turn the key to the "ON"
position.
When the ignition is switched on:
This warning lamp comes on and remains lit to signal deactivation.
Or
This warning lamp comes on for about 1 minute to signal activation.
Recommended child seats
Range of child seats secured using a three-
point seat belt .
Group 0+: from birth to 13 kg

L1
"RÖMER Baby-Safe"
Installed in the "rearward facing" position.
Groups 2 and 3: from 15 to 36 kg

L5
"RÖMER KIDFIX 2R"
Can be fitted to the vehicle's ISOFIX mountings.
The child is restrained by the seat belt.
Only suitable for installation on the side rear seats.
The head restraint on the vehicle seat must be removed.
Groups 2 and 3: from 15 to 36 kg

L6
"GRACO Booster"
The child is restrained by the seat belt.
Only suitable for installation on the front
passenger seat or on the rear side seats.
"ISOFIX" mountings
The seats shown below are fitted with ISOFIX
compliant mountings:


The mountings comprise three rings for each
seat, indicated by a marking:
–

T
wo rings A, located between the vehicle seat
backrest and cushion.