2009 Citroen C4 PICASSO wheels
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46
III
C O M F O R T
Air conditioning
To ensure that your system operates
correctly, it is recommended to have
it checked regularly.
Water arising from condensation
in the air conditioning drains away
through a hole provided for this pur-
pose. A pool of water may thus form
under the vehicle when stationary.
To keep the air conditioning com-
pressor well sealed, it is essential to
operate the air conditioning at least
once in every month.
Regardless of the season, the air
conditioning is useful, since it re-
moves humidity and condensation.
To be effective, the air conditioning
should only be used with the win-
dows closed.
If after a lengthy stop in bright sunlight
the interior temperature is excessive,
air the passenger compartment by
opening the windows for a few mo-
ments, then close them again.
The air conditioning operates by using
power from the engine. This results in
a slight increase in fuel consumption.
Dust filter/Odour filter
(active carbon)
T h e r e i s a fi l t e r f o r e x c l u d i n g o d o u r s
and dust.
T h i s fi l t e r h a s t o b e c h a n g e d i n a c -
cordance with the vehicle's servic-
ing schedule (see "Maintenance and
Warranty Guide").
Air circulation
A i r v e n t s o n t h e fl o o r u n d e r n e a t h t h e
front seats provide enhanced heat-
ing for the rear seat positions; take
care not to obstruct them.
Air vents
The air vents to the face have grilles
and thumbwheels to adjust the air
fl o w a n d d i r e c t i o n ( u p - d o w n , r i g h t -
left).
The automatic regulation of the air
conditioning, inside the cabin, uses
a number of sensors (sunlight sen-
sor, outside temperature sensor...)
that relieve you of the need to make
frequent adjustments outside the
displayed temperature.
Be careful not to obstruct the sun-
light sensor, located on the dash-
board behind the instrument panel.
Sensors
Page 146 of 337
114
S A F E T Y
TYRE UNDER-INFLATION DETECTION
S e n s o r s fi t t e d i n e a c h v a l v e c h e c k
the tyre pressure during driving and
trigger a warning in the event of
malfunction (speed above 12 mph
(20 km/h).
Flat tyre T h e t y r e u n d e r - i n fl a t i o n d e t e c t i o n
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 instrument
panel, accompanied by an
audible signal and a mes-
sage on the multifunction
screen locating the wheel
concerned.
Stop immediately, avoiding any sudden
movement of the steering wheel and
the brakes.
Change the damaged wheel (punctured
o r v e r y d e fl a t e d t y r e ) , a n d h a v e t h e t y r e
pressure checked as soon as possible.
Sensor(s) not detected or faulty
The service warning
lamp comes on in the
instrument panel, ac-
companied by an audible
signal and a message 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
o n a w h e e l fi t t e d w i t h t h i s s y s t e m
must be carried out by a CITROËN
dealer.
If, when changing a tyre, you in-
stall a wheel which is not detected
b y y o u r v e h i c l e ( e x a m p l e : fi t t i n g
of snow tyres), you must have the
system reinitialised by a CITROËN
dealer.
This system does not eliminate
the need to have the tyre pres-
sure checked regularly (refer to the
" T e c h n i c a l d a t a - § I d e n t i fi c a t i o n
features" section) to ensure that
the optimum dynamic perfor mance
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.
T h e t y r e u n d e r - i n fl a t i o n d e t e c t i o n
s y s t e m m a y e x p e r i e n c e t e m p o r a r y
interference due to radio-electric
emissions 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
s e n s o r a r e fi t t e d .
T h e s p a r e w h e e l i s n o t fi t t e d w i t h a
sensor.
Page 147 of 337
115
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 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,
p r e s s v e r y fi r m l y w i t h o u t r e l e a s i n g
the pressure. If this warning lamp comes
on, accompanied by an au-
dible signal and a message
on the multi-function 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, accom-
panied by an audible signal
and a message on the multifunction
screen, it indicates a malfunction 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 both cases, 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 i n c r e a s e i n b r a k i n g e f fi c i e n c y .
When braking in an emergency, p r e s s fi r m l y w i t h o u t r e l e a s i n g t h e pressure.
Page 148 of 337
116
VIII
S A F E T Y
TRAJECTORY CONTROL SYSTEMS
Anti-skid regulation (ASR) and
electronic stability programme
(ESP)
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.
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. T h i s i s i n d i c a t e d b y fl a s h i n g
of this warning lamp on the
instrument panel. Deactivation
I n e x c e p t i o n a l c o n d i t i o n s ( s t a r t i n g 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,
located 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.
T h e E S P / A S R s y s t e m s o f f e r e x -
ceptional safety in normal driving,
but this should not encourage the
d r i v e r t o t a k e e x t r a r i s k s o r d r i v e a t
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.
Page 159 of 337
126
IX
D R I V I N G
Automatic application,
engine off
With the vehicle stationary, the park-
ing brake is automatically applied
when the engine is switched off .
The application of the parking brake
i s c o n fi r m e d b y : - the lighting of warning lamp P on control A and
on the instrument panel, Automatic release
The electronic parking brake
releases
automatically and progressively
w h e n y o u p r e s s t h e a c c e l e r a t o r :
Manual gearbox ( fi r s t g e a r o r
reverse gear engaged): press
down fully on the clutch pedal
then press on the accelerator
pedal and move off.
Automatic gearbox : a c c e l e r a t e
with the selector in position D , M
or R .
Electronic gearbox : a c c e l e r a t e
with the selector in position A , M
or R .
Full release of the parking brake is
c o n fi r m e d b y : - the extinction of warning lamp P on control A and
on the instrument panel,
- the display of a message "park- ing brake released" on the multi-
function screen.
When stationary, with the
engine running, do not
press the accelerator pedal
unnecessarily, as you may
release the parking brake.
Maximum application
If necessary, you can utilise
maxi-
mum application of the parking
brake. It is obtained by means of
a long pull on control A , until you
see the message "parking brake ap-
plied" and a beep is heard.
Maximum application is essential:
- in the case of a vehicle towing a caravan or a trailer, if the au-
tomatic functions are activated
but you are applying the parking
brake manually,
- when the gradient you are parked on is variable in its effect (e.g. on
a ferry, in a lorry, during towing),
- in the case of towing, a loaded vehicle or parking on a gradient,
turn the front wheels towards the
pavement and engage a gear
when you park,
- after a maximum application, the release time will be longer.
Before leaving the vehicle,
check that warning lamp P
on the instrument panel is
permanently lit.
Never leave a child alone inside the
vehicle with the ignition on, as they
could release the parking brake.
- the display of a message "parking
brake applied" on the multifunc-
tion screen (except NaviDrive).
The normal operating sound will con-
fi r m t o y o u t h e a p p l i c a t i o n / r e l e a s e o f
your electronic parking brake.
Page 160 of 337
126
IX
D R I V I N G
Automatic application,
engine off
With the vehicle stationary, the park-
ing brake is automatically applied
when the engine is switched off .
The application of the parking brake
i s c o n fi r m e d b y : - the lighting of warning lamp P on control A and
on the instrument panel, Automatic release
The electronic parking brake
releases
automatically and progressively
w h e n y o u p r e s s t h e a c c e l e r a t o r :
Manual gearbox ( fi r s t g e a r o r
reverse gear engaged): press
down fully on the clutch pedal
then press on the accelerator
pedal and move off.
Automatic gearbox : a c c e l e r a t e
with the selector in position D , M
or R .
Electronic gearbox : a c c e l e r a t e
with the selector in position A , M
or R .
Full release of the parking brake is
c o n fi r m e d b y : - the extinction of warning lamp P on control A and
on the instrument panel,
- the display of a message "park- ing brake released" on the multi-
function screen.
When stationary, with the
engine running, do not
press the accelerator pedal
unnecessarily, as you may
release the parking brake.
Maximum application
If necessary, you can utilise
maxi-
mum application of the parking
brake. It is obtained by means of
a long pull on control A , until you
see the message "parking brake ap-
plied" and a beep is heard.
Maximum application is essential:
- in the case of a vehicle towing a caravan or a trailer, if the au-
tomatic functions are activated
but you are applying the parking
brake manually,
- when the gradient you are parked on is variable in its effect (e.g. on
a ferry, in a lorry, during towing),
- in the case of towing, a loaded vehicle or parking on a gradient,
turn the front wheels towards the
pavement and engage a gear
when you park,
- after a maximum application, the release time will be longer.
Before leaving the vehicle,
check that warning lamp P
on the instrument panel is
permanently lit.
Never leave a child alone inside the
vehicle with the ignition on, as they
could release the parking brake.
- the display of a message "parking
brake applied" on the multifunc-
tion screen (except NaviDrive).
The normal operating sound will con-
fi r m t o y o u t h e a p p l i c a t i o n / r e l e a s e o f
your electronic parking brake.
Page 163 of 337
129
IX
D R I V I N G
Emergency unlocking In the event of the electric parking
brake malfunctioning or the battery
r u n n i n g fl a t , a n e m e r g e n c y m e c h a -
nism can unlock the parking brake.
Immobilise the vehicle, with the
e n g i n e r u n n i n g , b y e n g a g i n g fi r s t
gear (manual gearbox), posi-
tion P (automatic gearbox) or M
or R (6-speed electronic gear-
box).
Switch off the engine, but leave
the ignition on.
If the vehicle cannot be immo- bilised, do not do anything and
contact a CITROËN dealer with-
out delay.
Fetch the vehicle blocks E and
the unlocking tool F (handle)
from the toolbox.
Immobilise the vehicle by placing
blocks E at the front and at the
rear of one of the rear wheels.
Slide the front left-hand seat
back as far as possible.
L i f t u p t h e fl o o r p l u g B
on the
carpet in front of the seat.
Pierce the tab C on the tube D
with the unlocking tool F .
Place the end of the handle F in
the tube D .
Turn the unlocking tool F clock-
wise.
For safety reasons , it is
essential to continue turning the
device as far as it will go or until
you hear a knocking noise. The
parking brake is released.
Remove the unlocking tool F and
store it with the blocks E in the
toolbox.
- The operation of the parking brake reinitialises when the ig-
nition is switched off then on
again. If the reinitialisation of the
parking brake proves impossi-
ble, contact a CITROËN dealer.
- The subsequent time required for application may be longer
than during normal operation.
For safety reasons, after this manoeuvre it is essential to cont act a CITROËN dealer urgently to have the plug
replaced.
Following an emergency unlocking, immobilisation of the vehi cle is no longer guaranteed once the manual emer-
gency unlocking has been deployed and the manual control doe s not allow the re-application of your parking
brake.
Take no action, either on control A , or stopping starting the engine while the unlocking to ol F is engaged.
Take care not to allow moisture or dust in the proximity of th e plug.
Page 174 of 337
139
IX
D R I V I N G
To start the engine, press the
brake pedal and place the selec-
tor in position P .
Operate the starter.
When the engine is running,
place the selector on R , D or M
as required.
Check, in the instrument panel,
the position engaged.
Release the brake pedal and ac-
celerate.
If the selector is not in position P ,
a message "place automatic
gear-box in position P " appears
on the multifunction screen, ac-
companied by a beep and the
fl a s h i n g o f P on the instrument
panel.
Moving off
To avoid incoherence between
the position of the selector and
the actual position of the gear-
box, always exit from position P
when you switch on the ignition
and press the brake pedal.
Otherwise, when the ignition is on or
t h e e n g i n e i s r u n n i n g :
reposition the selector in position P ,
put your foot on the brake ped-
al and then select the gear you
want.
Park
To select position P, move the
selector back to the highest po-
sition (towards R ), then push it
forwards and then to the left.
To exit position P , move the se-
lector to the right and then to the
position you want.
Only engage this position when
the vehicle is completely sta-
tionary. In this position, the front
wheels are locked. Make sure
that the selector is correctly po-
sitioned. Reverse gear
Neutral
Only engage this position
when the vehicle is stationary.
To prevent snatching, do not
accelerate too soon after se-
lection.
Never select position
N if
the vehicle is moving.
Never select positions P or
R if the vehicle is not sta-
tionary.
If, while the vehicle is moving, po-
sition N is engaged inadvertently,
allow the engine to idle before en-
gaging position D or M .
This position of the selector
is used to prevent the vehi-
cle from moving when you
are stationary.