ECU CITROEN C5 X 2023 User Guide

76
Safety
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 1 minute.
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 on the display.
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.
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.
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, ensuring that it is not twisted.
–

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.
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.

79
Safety
5Lateral airbags
Use only approved seat covers
compatible with the deployment of these
airbags. For information on the range of seat
covers suitable for your vehicle, contact a
CITROËN dealer.
Do not fix or attach anything to the seat
backrests (e.g.
clothing) as this could cause
injuries to the chest or arm when the airbag is
deployed.
Do not sit with the upper part of the body any
nearer to the door than necessary.
The vehicle's front door panels include side
impact sensors.
A damaged door or any unauthorised or
incorrectly executed work (modification or
repair) on the front doors or their interior trim
could compromise the operation of these
sensors - risk of malfunction of the lateral
airbags!
All work must be carried out only by a
CITROËN dealer or a qualified workshop
Curtain airbags
Do not fix or attach anything to the roof,
as this could cause head injuries when the
curtain airbag is deployed.
Do not remove the grab handles installed on
the roof.
Active bonnet
(Depending on version.)

The active bonnet has been designed to
optimise the safety of pedestrians in the event of
collision with the front of the vehicle.
The pyrotechnic system is triggered at the
hinges of the bonnet to lift it, when the sensors
located at the front of the vehicle detect a
collision.
Deployment of the active bonnet is
accompanied by a slight discharge of
harmless smoke and a noise, due to the
activation of the pyrotechnic cartridge
incorporated in the system. The airbag
warning lamp comes on.
After triggering, do not try to open or close
the bonnet. Call a towing company or go to
the nearest CITROËN dealer or qualified
workshop, driving at a speed below 19 mph
(30

km/h).
Make sure that you adjust the height of the
driver's seat - risk of hindrance to visibility!
This equipment will only trigger once. If a second impact occurs (during the same
or a subsequent accident), the active bonnet
will not trigger.
After an accident or if the vehicle has been
stolen, have the system checked.
Do not tamper with the pyrotechnic systems
under the bonnet, close to the struts - risk of
explosion!
All work must be carried out only by a
CITROËN dealer or a qualified workshop
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. You must contact a CITROËN
dealer or a qualified workshop to have the
system checked.
The active bonnet may not deploy in the event of
an impact.
Child seats
The legislation on carrying children is specific to each country. Refer to the
legislation in force in your country.

80
Safety
For maximum safety, please observe the
following recommendations:
–
In accordance with European regulations, all
children under the age of 12 or less than one
and a half metres tall must travel in approved
child seats suited to their weight , on seats
fitted with a seat belt or ISOFIX mountings.
–


Statistically
, the safest seats in your
vehicle for carrying children are the rear
seats.
–

A
child weighing less than 9 kg must travel
in the "rearward facing" position both in the
front and in the rear.
It is recommended that children travel
on the rear seats of the vehicle:
–

"rearward facing" up to the age of 3,
–

"forward facing" over the age of 3.
Make sure that the seat belt is correctly
positioned and tightened.
For child seats with a support leg, ensure that
the support leg is in firm and steady contact
with the floor.
Advice
An incorrectly installed child seat compromises the child's safety in the
event of an accident.
Ensure that there is no seat belt or seat belt
buckle under the child seat, as this could
destabilise it.
Remember to fasten the seat belts or the
harness of child seats, keeping the slack
relative to the child's body to a minimum,
even for short journeys.
When installing a child seat using the seat
belt, ensure that the seat belt is tightened
correctly on the child seat and that it secures
the child seat firmly on the seat of the vehicle.
If the passenger seat is adjustable, move it
forwards if necessary.
Remove the head restraint before
installing a child seat with a backrest on a
passenger seat.
Ensure that the head restraint is stored or
attached securely to prevent it from being
thrown around the vehicle in the event of
sharp braking. Refit the head restraint once
the child seat has been removed.
Installing a booster seat
The chest part of the seat belt must be
positioned on the child's shoulder without
touching the neck.
Ensure that the lap part of the seat belt
passes correctly over the child's thighs.
Use a booster seat with backrest, equipped
with a belt guide at shoulder level.
Additional protections
To prevent accidental opening of the
doors and rear windows, use the "Child lock".
Take care not to open the rear windows by
more than one third.
To protect young children from the rays of the
sun, fit side blinds on the rear windows.
As a safety precaution, do not leave:
–

a child alone and unattended in a vehicle,
–


a child or an animal in a vehicle which is
exposed to the sun, with the windows closed,
–


the keys within reach of children inside the
vehicle.
Child seat at the rear
Forward-facing or rearward-facing



► Move the vehicle's front seat forward and
straighten the backrest so that the legs of the
child in the forward-facing or rearward-facing
child seat itself do not touch the vehicle's front
seat.
►

Check that the backrest of the forward-facing
child seat is as close as possible to the backrest
of the vehicle's rear seat, and ideally in contact
with it.

82
Safety

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.

83
Safety
5

These rings are located behind zips.
The 2 latches on ISOFIX child seats are
secured to them.
–

One ring
B, located behind the seat, called the
TOP TETHER, for attaching seats fitted with an
upper strap.


This system prevents the child seat from tipping
forwards in the event of a front impact.
This ISOFIX mounting system provides fast,
reliable and safe fitting of the child seat in the
vehicle.
To secure the child seat to the TOP TETHER:
►

Remove and stow the head restraint before
installing the child seat on this seat (refit it once
the child seat has been removed).
► Pass the strap of the child seat behind the
seat backrest, centring it between the openings
for the head restraint rods.
►

Secure the upper strap hook to ring

B
.
►

T
ighten the upper strap.
When fitting an ISOFIX child seat to the
left-hand rear seat of the bench seat,
before fitting the seat, first move the centre
rear seat belt towards the middle of the
vehicle, so as to avoid the seat interfering
with the operation of the seat belt.
An incorrectly installed child seat in a vehicle compromises the child's safety in
the event of an accident.
Strictly observe the fitting instructions
provided in the user guide supplied with the
child seat.
For information about the options for
fitting ISOFIX child seats in your vehicle,
refer to the summary table.
Recommended ISOFIX child seats
Also consult the user guide from the child seat’s manufacturer to find out how to
install and remove the seat.
"RÖMER Baby-Safe and its ISOFIX base" (size category: E)
Group 0+: from birth to 13 kg


Installed "rearward facing" using an ISOFIX base which is attached to rings A .
The base has a support leg, height-
adjustable, which rests on the vehicle's floor. This child seat can also be secured with a
seat belt. In this case, only the shell is used and attached to the vehicle seat using the three-point seat belt.
"RÖMER Duo Plus ISOFIX "
(size category: B1)
Group 1: from 9 to 18 kg

84
Safety
"RÖMER Duo Plus ISOFIX"
(size category: B1)
Group 1: from 9 to 18 kg
Suitable for forward-facing installation only.
Attached to rings
A and ring B, referred to as
TOP TETHER, using an upper strap.
Three seat body angles: sitting, reclining, lying down.
This child seat can also be used in seat positions not equipped with ISOFIX
mountings. In this case, it must be secured to the vehicle's seat by the three-point seat belt. Adjust the front seat of the vehicle so that the child's feet do not touch the backrest.
i-Size child seats
i-Size child seats have two latches that engage on the two rings A.
These i-Size child seats also have:
–

either an upper strap that is attached to ring B

.
–

or a support leg that rests on the vehicle floor
, compatible with the approved i-Size seat position.
Their role is to prevent the child seat from tipping forward in the even\
t of a collision.
For more information on the ISOFIX mountings, refer to the corresponding section.

85
Safety
5Installing universal, ISOFIX and i-Size child seats
In compliance with European regulations, this table indicates the possib\
ilities for installing child seats secured using the seat belt and unive\
rsally approved
(a) as well as the largest ISOFIX and i-Size child seats for the seat positions fitted with ISOFIX anchorage points in the vehicle.
Seat number
Front seats (b) Rear seats
(b)


1 3456


3 1456
Front passenger airbag Deactivated “OFF”
(c) Activated “ON” (d)
Position compatible with a universal (a)
child seat no
yes (e)(h) yes (f)(h)yes yes (j) yes
Position compatible with an i-Size child
seat no
noyesnoyes
Position equipped with a TOP TETHER
hook no
noyesnoyes
"Carrycot " type child seat nonononono
"Rearward facing" ISOFIX child seat nono no R3 (g)(i) no R3 (g)(i)
"Forward facing" ISOFIX child seat no noF3noF3
Booster child seat noB3 B3noB3

86
Safety
Rules:
– A position that is i-Size compatible is also
compatible with R1, R2 and F2X, F2, B2.
–

A
position that is R3 compatible is also
compatible for R1 and R2.
–

A
position that is F3 compatible is also
compatible for F2X and F2.
–

A
position that is B3 compatible is also
compatible with B2.
(a) Universal child seat: child seat that can be
installed in all vehicles using the seat belt.
(b) Depending on version, refer to the
legislation in force in your country before
installing a child in this seat position.
(c) To install a "rearward facing" child seat at
this seat position, the front passenger airbag
must be deactivated ("OFF").
(d) Only a "forward facing" child seat is
authorised at this seat position with the front
passenger airbag activated (" ON").
(e) For a "rearward facing" and/or "forward
facing" universal child seat (U) in groups 0,
0+, 1, 2 or 3.
(f) For a "forward facing" universal child seat
(UF) in groups 1, 2 or 3.
(g) Adjust the front passenger seat to the
middle longitudinal position with the
backrest straightened. (h)
For a seat with height adjustment, set it
to the highest and fully back longitudinal
position.
(i) Adjust the height-adjustable front driver seat
to the maximum height position.
(j) A child seat with a support leg must never
be installed on the centre rear passenger
seat.


KeySeat position where the installation of a
child seat is forbidden.
Front passenger airbag deactivated.
Front passenger airbag activated.
Seat position suitable for the installation
of a child seat secured using the seat belt

87
Safety
5and universally approved "rearward facing"
and/or "forward facing" (U) for all sizes and
weight groups.
Seat position suitable for the installation
of a child seat secured using the seat belt
and universally approved "forward facing"
(UF) for groups 1, 2 & 3 only.
Seat position where securing an i-Size
child seat is authorised.
Seat position not suitable for the
installation of a child seat with support
leg.
Presence of a TOP TETHER mounting at
the rear of the backrest, authorising the
attachment of a
"forward facing" universal
ISOFIX
child seat .
"Rearward facing" ISOFIX child seat:
–

R1

: ISOFIX child seat for baby.
–

R2

: ISOFIX reduced size child seat.
–

R3

: ISOFIX large size child seat.
"Forward facing" ISOFIX child seat:
–

F2X

: ISOFIX child seat for toddlers.
–

F2

: ISOFIX reduced height child seat.
–

F3

: ISOFIX full height child seat.
Child booster seat:
–

B2

: reduced height child booster seat.
–

B3

: full height child booster seat.
Seat position where the installation of an
ISOFIX child seat is forbidden. For seat adjustments, refer to the table
"Installing universal, ISOFIX and i-Size child
seats
".
Manual child lock
The system prevents a rear door from being
opened using its interior handle.
The control is located on the edge of each rear
door (marked by a label on the bodywork).
Activation/Deactivation

► To activate, turn the built-in key until it stops:
• T o the right on the left-hand rear door.
•

T
o the left on the right-hand rear door.
►

T
o deactivate, turn it in the opposite direction.

103
Driving
6Maintenance
Clean the bumpers and door mirrors and
the field of vision of the cameras regularly.
When washing your vehicle at high pressure,
direct the spray from at least 30
cm away
from the radar, sensors and cameras.
Mats / Pedals covers
The use of mats or pedals covers not
approved by CITROËN may interfere with
the operation of the speed limiter or cruise
control.
T
o avoid any risk of jamming the pedals:
–

Ensure that the mat is secured correctly
.
–

Never fit one mat on top of another
.
Units of speed
Ensure that the units of speed displayed
in the instrument panel (mph or km/h) are
those for the country you are driving in.
If this is not the case, when the vehicle is
stationary, set the display to the required
units of speed so that it complies with what is
authorised locally.
In case of doubt, contact a CITROËN dealer
or a qualified workshop.
Steering wheel with
hands-on detection
(with Highway Driver Assist 2.0)
For more information, refer to the
General recommendations on the use
of driving and manoeuvring aids .
The steering wheel is equipped with a hands-on
detection system to avoid distraction on the part
of the driver.
It is prohibited to cover or attach anything to the
steering wheel.
The driver must always check the surroundings of the vehicle and
supervise the whole manoeuvre.
Any use of a system built into
Highway Driver
Assist 2.0
must remain under the driver’s
vigilance.
The system also detects the presence of
hands when using the Lane Positioning assist
system with Highway Driver Assist.
The system may suffer interference or not work correctly if:
–

the steering wheel is covered by some
protection.
–


the driver wears thick gloves (e.g.
ski
gloves).
In the event of improper detection of hands on
the steering wheel, Highway Driver Assist 2.0
is not activated or is deactivated after a few
seconds.
Installation of mechanical anti-theft
devices on the steering wheel is
prohibited - risk of damage!
Shortcuts for driving aids
Driving aids can be accessed directly to quickly
activate/deactivate them.
By default, driving aids are already stored in the
system (e.g. Stop & Start,

Active lane departure
warning system).
Other driving aids can be added or deleted from
the page.
It is configured in the ADAS>Functions
touch screen application.
► Press the button corresponding to the
driving assistance concerned:
•

Full symbol: the function is added to the
shortcuts.
•


Empty symbol: the function is deleted from
the shortcuts.
►


Check the modification in the Shortcuts

tab.