2011 CITROEN C4 PICASSO engine

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127
SAFETY
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 instrument
panel, accompanied by an
audible signal and a mes-
sage on the multifunction screen lo-
cating 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 instrument
panel, accompanied by an
audible signal and a mes-
sage on the multifunction screen lo-
cating the wheel concerned.
Stop immediately, avoiding any sud-
den movement of the steering wheel
and the brakes.
Change the damaged wheel (punc-
tured 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 or a qualifi ed
workshop. All repairs and changing of tyres
on a wheel fi tted with this system
must be carried out by a CITROËN
dealer or a qualifi ed workshop.
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 or a qualifi ed workshop.
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 performance
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-magnetic
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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128
SAFETY
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 distribu-
tion (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
in the screen, it indicates a
malfunction of the anti-lock braking
system 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,
accompanied by an audible
signal and a message in the screen,
it indicates a malfunction of the elec-
tronic 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 or a qualifi ed workshop.

When replacing wheels (tyres and
rims), ensure that they conform to
the manufacturer's recommenda-
tions.











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.

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129
SAFETY
TRAJECTORY CONTROL
SYSTEMS

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

The anti-slip 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.

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.
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. This is indicated by fl ashing
of this warning lamp in the
instrument panel.

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.

Intelligent Traction Control
system *

Your vehicle has a system to help
driving on snow.
This automatic system continuously
checks for situations of diffi cult sur-
face adhesion that could make it dif-
fi cult to move off or make progress
on deep fresh snow or compacted
snow.
In these situations, the system takes
over from the ASR
system by opti-
mising the amount of wheel slip to
provide the best traction and trajec-
tory 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.

*
Depending on engine type.

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130
SAFETY

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.


Operating fault
If this warning lamp comes
on, accompanied by an au-
dible signal and a message
in the multifunction screen,
this indicates a malfunction of these
systems.
Have it checked by a CITROËN
dealer or a qualifi ed workshop. 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 operation of these sys-
tems depends on observation of
the manufacturer's recommenda-
tions regarding wheels (tyres and
rims), braking components, elec-
tronic components and assembly
and repair procedures.
After an impact, have these systems
checked by a CITROËN dealer or a
qualifi ed workshop.
EMERGENCY OR
ASSISTANCE CALL
This system allows you to make an
emergency or assistance call to the
emergency services or to the dedi-
cated CITROËN service.
For more information on the use of
this function, refer to the "Audio and
telematics" section.

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131
SAFETY
SEAT BELTS

Front seat belts

The front seat belts are fi tted with a
pretensioning system and force limiter.
This system improves safety in the front
seats in the event of a front impact.
Depending on the seriousness of the
impact, the pretensioning system in-
stantly tightens the seat belt against
the body of the occupant.
Fastening


)
Pull the belt down in front of you
in a steady movement, making
sure that it does not become
twisted.

)

Press the fastening into its buckle.

)
Check that it is properly secured
and that the automatic locking
mechanism operates correctly
by pulling sharply on the belt
strap.

)
The lap strap should be posi-
tioned as low down as possible in
the lap and as tight as possible.

)
The diagonal strap should be
positioned across the chest and
away from the neck.
Each belt has a reel that adjusts its
length automatically to the girth of
the seat occupant.

Height adjustment
The pretensioning seat belts are
active when the ignition is on.
The force limiter reduces the pres-
sure of the seat belt against the
chest of the occupant, so increasing
his protection.

When correctly adjusted, the seat
belt shoulder strap falls over the
middle of the shoulder.


)
To adjust the belt, squeeze the
control and slide it in the direc-
tion required.



Unfastening


)
To unfasten the belt, press on
the red button in the buckle.
The belt retracts automatically when
not in use.

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132
SAFETY

Centre rear seat belt


Using the seat belt
(C4 Picasso)


)
Open the cover A
.

)
Remove the belt tongues from
their housing.

)
Bring the belt tongues up to the
relay ring B
.

)
Insert the attachment, then pass
the tongues through the ring.

)
Close the cover A
. Make sure
that the belt is correctly posi-
tioned in the recess in the cover
provided for this purpose.


Fastening the seat belt
(C4 Picasso and Grand
C4 Picasso)


)
Pull the strap and insert the
tongue C
into the right hand
buckle, then insert the tongue D

into the left hand buckle.

)
Check that each buckle has en-
gaged by pulling on the strap.
Unfastening the seat belt
(C4 Picasso and Grand C4 Picasso)

Stowing the belt tongues
(C4 Picasso)


)
Carry out the seat belt fastening
operation (C4 Picasso) in reverse
order to stow the belt tongues.
You may opt to leave the seat belt in
the relay ring even if not using it.

Before use

For safety reasons, it is essential
that the seat belt passes through
the relay ring.
To avoid damaging or jamming the
seat belts, stow them carefully on
the sides of the seat backrests.

)
Release the right hand buckle C
,
then the left hand buckle.

)
Guide the seat belt back to its
stowed position.

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133
SAFETY

Third row rear seat belts
(Grand C4 Picasso)

Instructions for use of
the third row passenger seat belts
Take care to attach the third-row
passenger seat belts securely to the
rings provided for this purpose.

Do not attach the belts to the lug-
gage anchoring rings marked
with a red cross, as shown in the
illustration.



Stowing the tongue of
the third-row seat belt


)
Secure the tongue in the location
provided on the rear pillar trim.
The third-row passenger seat belts
that are not being used can be
stowed in order to free up loadspace
and facilitate use of the luggage
cover.

Before use:

To avoid damaging or jamming the
seat belts, stow them carefully on
the sides of the seat backrests.

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134
SAFETY





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 in-
ertia reel permitting automatic ad-
justment 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
automatic locking device which
comes into operation in the event
of a collision, emergency braking or
if the vehicle rolls over. You can re-
lease 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.
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 accordance with current safety
regulations, for all repairs on your
vehicle, go to a qualifi ed workshop
with the skills and equipment need-
ed, which a CITROËN dealer is able
to provide.
Have your seat belts checked reg-
ularly 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.
In the event of an impact

Depending on the nature and se-
riousness of the impact
, the pre-
tensioning device may be deployed
before and independently of the
airbags. Deployment of the preten-
sioners 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.