2011 Citroen C4 RHD Owner's Manual

8
SAFETY
127
TYRE UNDER-INFLATION DETECTION
System which automatically and continu-
ously checks the pressure of the tyres
while driving.
Sensors fi tted in each valve trigger a
warning in the event of problem (speed
above 12 mph (20 km/h)).
This warning lamp is displayed
on the instrument panel and/or a
message appears in the screen,
accompanied by an audible signal,
to identify the wheel concerned.

Under-infl ated tyre
The STOP
warning lamp
comes on and/or this warn-
ing lamp is displayed on the
instrument panel, accompa-
nied by an audible signal and
a message in the screen iden-
tifying the wheel concerned.


)
Stop as soon as it is safe to do so,
avoiding any sudden movement of
the steering wheel and the brakes.

)
Repair or change the damaged
wheel (punctured or very defl ated
tyre), and have the tyre pressure
checked as soon as possible.

Puncture

Sensor(s) not detected or faulty
A message appears in the screen, ac-
companied by an audible signal, to
identify the wheel or wheels which are
not detected or to indicate a malfunc-
tion in the system.
Contact a CITROËN dealer or a quali-
fi ed workshop to replace the faulty
sensor(s).
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.
If your vehicle is equipped with
a spare wheel, this is not fi tted
with a sensor. All repairs and changing of tyres
on a wheel fi tted with this sys-
tem must be carried out by a
CITROËN dealer or a qualifi ed
workshop.
If, when changing a tyre, you
install a wheel which is not de-
tected by your vehicle (example:
fi tting of snow tyres), you must
have the system reinitialised by
a CITROËN dealer or a qualifi ed
workshop.
The tyre under-infl ation detec-
tion system is an aid to driving
which does not replace the need
for the driver to be vigilant or to
drive responsibly. This system does not avoid the
need to have the tyre pressures
checked regularly (refer to the
"Identifi cation markings" sec-
tion) to ensure that the optimum
dynamic performance of the ve-
hicle is maintained and prevent
premature wear of the tyres, par-
ticularly in arduous driving condi-
tions (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 detec-
tion system may experience
temporary interference due to
electro-magnetic emissions on a
frequency close to that used by
the system.


)
Check the tyre pressures as soon
as possible.
This check must be carried out when
the tyres are cold.

8
SAFETY
128
BRAKING ASSISTANCESYSTEMS
Group of supplementary systems which
help you to obtain optimum braking in
complete safety in emergency situations:


- anti-lock braking system (ABS),

- electronic brake force distribution
(EBFD),

- emergency braking assistance (EBA).

When braking in an emergency,
press very fi rmly without releas-
ing the pressure.
When replacing wheels (tyres and
rims), ensure that they conform to the
manufacturer's recommendations.


When braking in an emergency,
press fi rmly without releasing
the pressure.


Anti-lock braking system and electronic brake force distribution

Linked systems which improve the sta-
bility and manoeuvrability of your vehi-
cle 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
If this warning lamp comes on,
accompanied by an audible sig-
nal and a message in the mul-
tifunction screen, it indicates a
malfunction of the anti-lock braking sys-
tem which could result in loss of control
of the vehicle when braking.
If this warning lamp comes on,
together with the STOP
and
ABS
warning lamps, accompa-
nied by an audible signal and a
message in the multifunction screen, it
indicates a malfunction of the electron-
ic 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.

Emergency braking assistance

System which, in an emergency, enables
you to obtain the optimum braking pres-
sure 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.
In either case, contact a CITROËN
dealer or a qualifi ed workshop.

8
129
TRAJECTORY CONTROL SYSTEMS

Anti-slip regulation (ASR) and electronic stability programme(ESP)


The anti-slip regulation (also known as
Traction Control) optimises traction to
prevent skidding of the wheels, by act-
ing 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.

Activation
These systems are activated automati-
cally 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 in the instru-
ment panel.

(Intelligent Traction Control)

Your vehicle has a system to help driving
on snow: Intelligent Traction Control.
This automatic system continuously
checks for situations of diffi cult surface
adhesion that could make it diffi cult to
move off or make progress on deep
fresh snow or compacted snow.
In these situations, Intelligent Traction
Control
takes over from the ASR
sys-
tem, limiting the amount of wheel slip to
provide the best traction and trajectory
control, even without snow tyres and
with or without chains.
In extremely severe conditions (snow
on top of ice, sand, deep mud…), it can
be useful to deactivate the ESP/ASR

systems to allow a degree of wheel spin
and so recover grip.

Deactivation
In exceptional conditions (starting a ve-
hicle which is bogged down, stuck in
snow, on soft ground...), it may be ad-
visable to deactivate the ASR and ESP
systems, so that the wheels can move
freely and regain grip.


)
Press the "ESP OFF"
button, located
on the left below the steering wheel.

If this warning lamp comes on
in the instrument panel and
the indicator lamp in the button
comes on, this indicates that
the ASR and ESP systems are
deactivated.

8
SAFETY
130
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 is assured provided
that manufacturer's recommen-
dations are observed on:


- wheels (tyres and rims),

- braking components,

- electronic components,

- assembly and repair proce-
dures.
After an impact, have these sys-
tems checked by a CITROËN
dealer or a qualifi ed workshop.

Reactivation
These systems are reactivated automat-
ically 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,
accompanied by an audible
signal and a message in the
screen, this indicates a fault
with these systems.
Have it checked by a CITROËN dealer
or a qualifi ed workshop.
Operating fault EMERGENCY OR ASSISTANCE CALL

This system allows you to make an
emergency or assistance call to the
emergency services or to the dedicated
CITROËN service.
For more information on the use of this
function, refer to the "Audio and tele-
matics" section.

8
SAFETY
131

Seat belt not fastened/unfastened
warning lamp in the instrument panel
When the ignition is switched on,
this warning lamp comes on in
the instrument panel if the driver
and/or the front passenger has
not fastened their seat belt.

1.
Driver's seat belt not fastened/un-
fastened warning lamp.

2.
Front passenger's seat belt not fas-
tened/unfastened warning lamp.
Seat belt not fastened/unfastened
warning lamps display


)
To lower the attachment point,
squeeze the control A
and slide it
downwards.

)
To raise the attachment point, slide
the control A
upwards.

Height adjustment
SEAT BELTS

Front seat belts


The front seat belts are fi tted with a pre-
tensioning and force limiting system.
This system improves safety in the front
seats in the event of a front or side im-
pact. Depending on the severity of the
impact, the pretensioning system in-
stantly 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 oc-
cupant, so improving their protection.











Fastening


)
Pull the strap, then insert the tongue
in the buckle.

)
Check that the seat belt is fastened
correctly by pulling the strap.


Unfastening


)
Press the red button on the buckle.

)
Guide the seat belt as it reels in.
The corresponding warning lamp 1
or 2

comes on in red on the seat belt and pas-
senger's front airbag warning lamps dis-
play, accompanied by an audible signal
and a message in the screen, if the seat
belt is not fastened or is unfastened.

From approximately 12 mph (20 km/h)
this warning lamp fl ashes for two min-
utes accompanied by an audible signal
of increasing volume. Once these two
minutes have elapsed, this warning
lamp remains on until the driver and/or
the front passenger fastens their seat
belt.

8
SAFETY
132
Rear seat belts
The rear seats are each fi tted with a
three-point seat belt, with force limiter
and, for the outer seats, an effort limiter.

Fastening


)
Pull the strap, then insert the tongue
in the buckle.

)
Check that the seat belt is fastened
correctly by pulling the strap.


Unfastening


)
Press the red button on the buckle.

)
Guide the seat belt as it reels in.

)
On the outer seat belts, raise the bar
to the top of the backrest to prevent
the tongue from knocking against
the side trim.
This warning lamp comes on in
the instrument panel when one
or more rear passengers un-
fasten their seat belt.
Seat belt unfastened warning lamp
in the instrument panel

3.
Rear right seat belt warning lamp.

4.
Rear centre seat belt warning lamp.

5.
Rear left seat belt warning lamp.
Seat belt unfastened
warning lamps display
When the ignition is switched on, with
the engine running or when the vehicle
is moving at less than 12 mph (20 km/h),
the corresponding warning lamps 3
, 4

and 5
come on in red for approximately
30 seconds, if the seat belt is not fas-
tened.
When the vehicle is moving at more
than 12 mph (20 km/h), the correspond-
ing warning lamps 3
, 4
and 5
come on
in red, accompanied by an audible sig-
nal and a message in the screen, if a
rear passenger has unfastened their
seat belt.
From approximately 12 mph (20 km/h),
this warning lamp fl ashes for two min-
utes accompanied by an audible sig-
nal of increasing volume. Once these
two minutes have elapsed, this warning
lamp remains on until the one or more
rear passengers fasten their seat belt.

8
133




The driver must ensure that passen-
gers use the seat belts correctly and
that they are all restrained securely
before setting off.
Wherever you are seated in the ve-
hicle, always fasten your seat belt,
even for short journeys.
Do not interchange the seat belt
buckles as they will not fulfi l their role
fully.
The seat belts are fi tted 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 fi tted with an au-
tomatic locking device which comes
into operation in the event of a colli-
sion, emergency braking or if the ve-
hicle rolls over. You can release the
device by pulling fi rmly on the strap
and releasing it so that it reels in
slightly. 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 does not twist,

-
be used to restrain only one person,


- not bear any trace of cuts or fraying,


- not be converted or modifi ed to
avoid affecting its performance.
In accordance with current safety
regulations, for all repairs on your ve-
hicle, go to a qualifi ed workshop with
the skills and equipment needed,
which a CITROËN dealer is able to
provide.
Have your seat belts checked regu-
larly by a CITROËN dealer or a
qualifi ed 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.
Recommendations for children
Use a suitable child seat if the pas-
senger is less than 12 years old or
shorter than one and a half metres.
Never use the same seat belt to se-
cure more than one person.
Never allow a child to travel on your lap.


In the event of an impact


Depending on the nature and serious-
ness of the impact
, the pretensioning
device may be deployed before and in-
dependently 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 neces-
sary replaced, by a CITROËN dealer
or a qualifi ed workshop.

8
SAFETY
134
AIRBAGS


System designed to maximise the safety
of the occupants (with the exception of
the rear centre passenger) in the event
of violent collisions. It supplements the
action of the force-limiting seat belts
(with the exception of the rear centre
passenger).
If a collision occurs, the electronic de-
tectors record and analyse the front
and side impacts sustained in the im-
pact detection zones:


- in the case of a serious impact, the
airbags are triggered instantly and
protect the occupants of the vehicle
(with the exception of the rear cen-
tre passenger); immediately after the
impact, the airbags defl ate rapidly so
that they do not hinder visibility or the
exit of the occupants,

- in the case of a minor or rear impact
or in certain roll-over conditions, the
airbags will not be triggered; the
seat belt alone is suffi cient to pro-
vide optimum protection in these
situations.


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 subse-
quent accident), the airbag will
not be triggered again.

A.
Front impact zone.

B.
Side impact zone.
Impact detection zones
Triggering of the airbag(s) is ac-
companied by a slight emission
of harmless smoke and a noise,
due to the activation of the pyro-
technic cartridge incorporated in
the system.
This smoke is not harmful, but
sensitive individuals may experi-
ence slight irritation.
The noise of the detonation may
result in a slight loss of hearing
for a short time.

Front airbags

System which protects the driver and
front passenger in the event of a seri-
ous front impact in order to limit the risk
of injury to the head and thorax.
The driver's airbag is fi tted in the centre
of the steering wheel; the front passen-
ger's airbag is fi tted in the dashboard
above the glove box.

Deployment
The airbags are deployed simultaneously,
unless the passenger's front airbag is de-
activated, 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 infl ates between the tho-
rax 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 forward movement.