2010 Citroen C4 Owner's Manual

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C H I L D S A F E T Y
"ISOFIX" MOUNTINGS
Your vehicle has been approved in
accordance with the new ISOFIX
regulation .
The outer rear seats of your vehicle
are fi tted with regulation ISOFIX
mountings.
The incorrect installation of a child
seat in a vehicle compromises the
child's protection in the event of an
accident.
For information regarding the op-
tions for installing ISOFIX child
seats in your vehicle, consult the
table summarising the locations for
ISOFIX child seats.
These are three rings for each seat:
- two rings
A , located between the
vehicle seat back and cushion,
indicated by a label,
- a ring B , referred to as the TOP
TETHER , located in the boot be-
tween the wheel arch and the
seat back. This ISOFIX mounting system guaran-
tees you fast, reliable and safe fi tting of
the child seat in your vehicle.
The
ISOFIX child seats are fi tted
with two locks which are secured
easily on the two rings A .
Some also have an upper strap
which is attached to the ring B .
To attach this strap, remove the ve-
hicle seat's head restraint and the
cover at the top of the seat back.
Then fi x the hook on the ring B and
tighten the upper strap.

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C H I L D S A F E T Y
ISOFIX CHILD SEAT RECOMMENDED BY CITROËN AND APPROVED FOR YOUR VEHICLE
This child seat can also be used on seats which are not fi tted with ISOFIX mountings. In this case, it must be attached
to the vehicle seat using the three point seat belt.

Follow the instructions for fi tting the child seat given in the seat manufacturer's installation guide.

RÖMER Duo Plus ISOFIX (size category B1 )

Group 1: from 9 to 18 kg
Installed in the forwards-facing position.
Fitted with an upper strap to be secured on the upper ring B ,
referred to as the TOP TETHER.
Three seat body angles: sitting, reclining, lying.

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VII
C H I L D S A F E T Y
* The ISOFIX shell is secured to the bottom rings on an I SOFIX position, occupying 2 rear seat positions.
** To install ISOFIX child seats type B1 , remove the head restraints from the seats.
TABLE SUMMARISING THE LOCATION OF ISOFIX CHILD SEATS
In compliance with European legislation, this table indica tes which of the ISOFIX child seats can be installed in seat
positions in your vehicle that are equipped with ISOFIX ancho ring points.
For ISOFIX universal and semi-universal child seats, the ISOFIX size class, defi ned by a letter from A to G , is shown on
the child seat to the right of the ISOFIX logo.

IUF : seat position suitable for installation of an I SOFIX U niversal " F orwards-facing" seat attached using the top belt.

IL-SU : seat position suitable for installation of an I SOFIX S emi- U niversal seat: ISOFIX "rearwards-facing" child seats
equipped with a top belt and ISOFIX "shell" child seats wit h a top belt.
Do not install ISOFIX child seats equipped with a bar.


Child weight/age given as a guide

Less than 10 kg
(group 0)
Up to approx. 6 months
Less than 10 kg
(group 0)

Less than 13 kg
(group 0+)
Up to approx. 1 year old
9 to 18 kg (group 1)
From 1 to 3 years approx.

Type of ISOFIX child seat Shell seat *

"Rearwards-facing" "Rearwards-facing"
"Forwards-facing"

ISOFIX size classes F G C D E C D A B B1 **

ISOFIX
outer
rear
seats IL-SU IL-SU IL-SU IUF

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C H I L D S A F E T Y
MANUAL CHILD LOCK
Locking

 Turn the red control one quarter
of a turn to the left using the igni-
tion key.
Unlocking

 Turn the red control one quarter
of a turn to the right using the
ignition key.
ELECTRIC CHILD LOCK *
Mechanical system to prevent open-
ing of the rear door using its interior
control.
The control is located on the edge of
each rear door. Remote control system to prevent
opening of the rear doors using their
interior controls and use of the rear
electric windows. Activation

 Press the button A .
Deactivation

 Press the button A again.
This system is independent and in
no circumstances does it take the
place of the central locking control.
Check the status of the child lock
each time you switch on the ignition.
Always remove the key from the
ignition when leaving the vehicle,
even for a short time.
In the event of a serious impact,
the electric child lock is deactivated
automatically to permit the exit of
the rear passengers. This warning lamp comes on tem-
porarily on the instrument panel
when the child lock is activated.
The control A is located on the driv-
er's door, with the electric window
controls.
* Depending on version. It also comes on when the ignition
is switched on, then switches off ap-
proximately ten seconds after the
engine is started.

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VIII
S A F E T Y
DIRECTION INDICATORS

 Left: lower the lighting stalk be-
yond the point of resistance.

 Right: raise the lighting stalk be-
yond the point of resistance.
HAZARD WARNING LAMPS
A visual warning by means of the di-
rection indicators to alert other road
users to a vehicle breakdown, towing
or accident.
Automatic operation of
hazard warning lamps
When braking in an emergency,
depending on the deceleration, the
hazard warning lamps come on au-
tomatically.
They switch off automatically the
fi rst time you accelerate.

 You can also switch them off by
pressing the button. Horn
Audible warning system to alert other
road users to an imminent danger.
Selection of the left or right direction
indicators to signal a change of di-
rection of the vehicle.

 Press this button, the direction
indicators fl ash.
They can operate with the ignition
off.

 Press at the lower part of the
fi xed centred controls steering
wheel.
Use the horn moderately and only
in the following circumstances:
- immediate danger,
- overtaking a cyclist or pedes- trian
- approaching a location lacking visibility.

96
VIII
S A F E T Y
TYRE UNDER-INFLATION DETECTION
Sensors fi tted in each valve check
the tyre pressure during driving and
trigger a warning in the event of
malfunction (speed above 12 mph
(20 km/h)).
Under-infl ated tyre The tyre under-infl ation detection
system is an aid to driving which
does not replace the vigilance or
responsibility of the driver. Puncture
The service warning lamp
comes on in the instru-
ment panel, accompanied
by an audible signal and
a message on the multi-
function screen locating
the wheel concerned.
Check the tyre pressures as soon as
possible. This check must be carried
out when the tyres are cold. The
STOP warning lamp
comes on in the instru-
ment panel, accompanied
by an audible signal and
a message on the multi-
function screen locating
the wheel concerned.
Stop immediately, avoiding any sud-
den movement of the steering wheel
and the brakes.
Change the damaged wheel (punctured
or very defl ated tyre), and have the tyre
pressure checked as soon as possible.
Sensor(s) not detected or faulty
The service warning lamp
comes on in the instrument
panel, accompanied by an
audible signal and a mes-
sage on the multifunction
screen locating the wheel
or wheels which are not detected or
indicating a fault in the system.
Have the faulty sensor(s) checked by
a CITROËN dealer. All repairs and changing of tyres
on a wheel fi tted with this system
must be carried out by a CITROËN
dealer.
If, when changing a tyre, you in-
stall a wheel which is not detected
by your vehicle (example: fi tting
of snow tyres), you must have the
system reinitialised by a CITROËN
dealer.
This system does not avoid the
need to have the tyre pressures
checked regularly (refer to the
"Technical data - § Identifi cation
markings" section) to ensure that
the optimum dynamic perform-
ance of the vehicle is maintained
and prevent premature wear of the
tyres, particularly in arduous driv-
ing conditions (heavy load, high
speed).
The tyre pressures must be
checked cold, at least once a
month. Remember to check the
pressure of the spare wheel.
The tyre under-infl ation detection
system may experience temporary
interference due to electro-mag-
netic signals on a frequency close
to that used by the system.
This message is also displayed
when one of the wheels is away
from the vehicle (being repaired) or
when one or more wheels without a
sensor are fi tted.
The spare wheel is not fi tted with a
sensor.

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VIII
S A F E T Y
BRAKING ASSISTANCE SYSTEMS
Group of supplementary systems
which help you to obtain optimum
braking in complete safety in emer-
gency situations:
- anti-lock braking system (ABS),
- electronic brake force distribution (EBFD),
- emergency braking assistance (EBA).
Anti-lock braking system
and electronic brake force
distribution
Linked systems which improve the
stability and manoeuvrability of your
vehicle when braking, in particular
on poor or slippery surfaces.
Activation
The anti-lock braking system comes
into operation automatically when
there is a risk of wheel lock.
Normal operation of the ABS may
make itself felt by slight vibration of
the brake pedal. Operating fault
When braking in an emergency,
press very fi rmly without releasing
the pressure. If this warning lamp comes
on, accompanied by an au-
dible signal and a message
on the multifunction screen,
it indicates a malfunction of the anti-
lock braking system which could re-
sult in loss of control of the vehicle
when braking.
If this warning lamp comes
on, together with the STOP
and ABS warning lamps,
accompanied by an audible
signal and a message on the multi-
function screen, it indicates a mal-
function of the electronic brake force
distribution which could result in loss
of control of the vehicle when braking.

You
must
stop as soon as it is
safe to do so.
In either case, contact a CITROËN
dealer.
When replacing wheels (tyres and
rims), ensure that they conform to the manufacturer's recommendations.

Emergency braking assistance
System which, in an emergency,
enables you to obtain the optimum
braking pressure more quickly, thus
reducing the stopping distance.
Activation
It is triggered by the speed at which
the brake pedal is pressed.
The effect of this is a reduction in
the resistance of the pedal and an
increase in braking effi ciency.
When braking in an emergency,
press fi rmly without releasing the
pressure.

98
VIII
S A F E T Y
TRAJECTORY CONTROL SYSTEMS
Anti-skid regulation (ASR)
and electronic stability
programme (ESP)
Activation
These systems are activated auto-
matically each time the vehicle is
started.
They come into operation in the event
of a grip or trajectory problem. This is indicated by fl ashing
of this warning lamp on the
instrument panel. Deactivation
In exceptional conditions (starting a
vehicle which is bogged down, stuck
in snow, on soft ground...), it may be
advisable to deactivate the ASR and
ESP systems, so that the wheels
can move freely and regain grip.

 Press the "ESP OFF" button, lo-
cated in the centre of the dash-
board. Reactivation
These systems are reactivated au-
tomatically each time the ignition is
switched back on or from 30 mph
(50 km/h).

 Press the "ESP OFF" button again
to reactivate them manually.
If this warning lamp comes
on in the instrument panel
and the indicator lamp on the
button comes on, this indi-
cates that the ASR and ESP
systems are deactivated. Operating fault
If this warning lamp comes
on, accompanied by an au-
dible signal and a message
on the multifunction screen,
this indicates a malfunction of these
systems.
Have the systems checked by a
CITROËN dealer.
The ESP/ASR systems offer ex-
ceptional safety in normal driving,
but this should not encourage the
driver to take extra risks or drive at
high speed.
The correct functioning of these
systems depends on observation
of the manufacturer's recommen-
dations regarding the wheels (tyres
and rims), the braking components,
the electronic components and the
CITROËN assembly and operation
procedures.
After an impact, have these systems
checked by a CITROËN dealer.
The anti-skid regulation (also known
as Traction Control) optimises trac-
tion to prevent skidding of the wheels,
by acting on the brakes of the driving
wheels and on the engine.
The electronic stability programme acts
on the brake of one or more wheels
and on the engine to keep the vehicle
on the trajectory required by the driver,
within the limits of the laws of physics.