2010 CITROEN C4 PICASSO brake
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PRACTICAL INFORMATION
Removing a wheel
)
Park the vehicle on level, stable
and non-slippery ground. Apply
the parking brake (a message
and a warning lamp appear on
the instrument panel).
Switch off the ignition and en-
gage fi rst gear or reverse gear
depending on the slope (posi-
tion P
if an automatic gearbox,
D
or R
if a 6-speed electronic
gearbox).
)
Use a chock to secure the vehi-
cle more safely. Place the chock
9
in front of the wheel that is op-
posite the wheel affected.
)
Detach the trim using the remov-
ing tool 4
, pulling in the area of
the valve.
For vehicles with alloy wheels,
insert the trim removing tool 1
into the recess in the central trim
and lever it off.
For vehicles with alloy wheels
that have visible bolts, remove
the chrome covers using the re-
moving tool 2
.
)
Slacken the wheel bolts. For ve-
hicles with alloy wheels, undo
the security bolts using the secu-
rity socket 6
.
)
Position the jack under the vehi-
cle, at the jacking point A
closest
to the wheel to be changed.
)
Unwind the jack 5
until its brack-
et is in contact with the ground.
Make sure that the jack is verti-
cal under the jacking point used.
)
Continue to extend the jack so
as to raise the vehicle.
)
Undo the wheel bolts and re-
move the wheel.
Before any operation of this
sort, it is advisable to deactivate
your pneumatic suspension.
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194
PRACTICAL INFORMATION
Rear lamps (C4 Picasso)
1.
Direction indicators
(PY21W)
2.
Brake lamps/sidelamps
(P21/5W)
3.
Reversing lamp
(P21W
)
)
Identify the faulty bulb.
)
With the boot open, press on the
plastic cover A
, located close to
the lamp unit, to release it from
its housing.
)
Undo the two screws B
on the
side of the lamp unit and detach
the lamp unit by pulling it rear-
wards.
)
Disconnect the connector linking
the lamp unit with the tailgate.
)
Remove the bulb-holder.
)
Replace the bulbs.
To remove a bulb, rotate it a
quarter turn.
To r efi t the bulb, rotate it a quar-
ter turn in the other direction.
)
Reposition the bulb-holder.
)
Reconnect the connector to the
lamp unit.
Lamps mounted on the
bodywork
)
Identify the faulty bulb.
)
With the boot open, remove the
plastic cover on the tailgate.
)
Remove the bulb-holder from its
housing.
)
Replace the bulb.
To remove a bulb, rotate it a
quarter turn.
To r efi t the bulb, rotate it a quar-
ter turn in the other direction.
)
Reposition the bulb-holder.
)
Refi t the plastic cover.
Lamps mounted on the tailgate
)
Refi t the lamp unit on the body
and do up the two screws.
)
Reposition the plastic cover by
pressing on it.
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195
PRACTICAL INFORMATION
Rear lamps (Grand C4 Picasso)
1.
Direction indicators
(PY21W)
2.
Brake lamps
(P21W)
3.
Reversing lamp
(P21W)
4.
Sidelamps (LEDs)
For this type of lamp, contact a
CITROËN dealer or qualifi ed
workshop.
Changing bulbs
)
Identify the faulty bulb.
)
With the tailgate open, undo the
3 screws located on the side of
the lamp unit and pull it rear-
wards to detach.
)
Disconnect the connector linking
the lamp unit to the boot. Do not
disconnect the LEDs.
)
Remove the seal.
)
Remove the bulb-holder.
)
Replace the bulbs.
To remove a bulb, rotate it a
quarter turn.
To fi t the bulb, rotate it a quarter
turn in the other direction.
)
Reposition the bulb-holder.
)
Refi t the seal.
)
Reconnect the connector to the
lamp unit.
)
Arrange the harness in the open-
ing provided in the body.
)
Refi t the lamp unit to the body
and fi t and tighten the 3 screws.
Number plate lamps
(W 5 W)
)
Insert a thin screwdriver into one
of the external holes of the lens.
)
Push it outwards to unclip it.
)
Remove the lens.
)
Change the faulty bulb.
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PRACTICAL INFORMATION
Third brake lamp with bulb
(W5W)
)
With the boot open, detach the
interior trim.
)
Undo the nuts.
)
Using a thin screwdriver, detach
the 3 retaining lugs.
)
Remove the lamp via the exterior
of the tailgate.
)
Remove the bulb-holder.
)
Change the faulty bulb(s).
To r efi t, carry out these operations in
reverse order.
Third brake lamp (LEDs)
For the replacement of this type
of LED lamp, contact a CITROËN
dealer or a qualifi ed workshop.
Interior lighting
Interior lamp (1/W5W)
Detach the cover of the interior
lamp 1
with a thin screwdriver, close
to the button, to access the faulty
bulb.
Map reading lamps (2/W5W)
Detach the cover of the interior lamp.
To access the faulty bulb, detach
the partition for the reading lamp 2
concerned, as necessary.
Boot lamps (W5W)
Detach the unit by pushing it rear-
wards.
Torch (Krypton 3.6 V)
)
Open the tab.
)
Push with a fl at screwdriver in
the hole under the tab and re-
cover the bulb unit.
)
Open the bulb unit fully to change
the bulb.
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PRACTICAL INFORMATION
Fuses under the dashboard
Access to the fuses
)
Undo the screw by a quarter turn
and pivot the housing.
Table of fuses
Fuse N°
Rating
Functions
F1
15 A
Rear screen wipe
F2
30 A
Locking and unlocking earth
F3
5 A
Airbags and pretensioners
F4
10 A
Multimedia, photochromatic rear view mirror,
particle fi lter, diagnostic socket, air conditioning,
manual headlamp height adjustment
F5
30 A
Front windows, front door electronic control panel,
panoramic sunroof
F6
30 A
Rear windows
F7
5 A
Interior lamps, cooled glovebox, radio
F8
20 A
Multifunction screen, radio, steering mounted
controls, multimedia, under infl ation detection,
alarm, trailer
F9
30 A
Multimedia, front 12 V sockets, torch, radio
F10
15 A
Height corrector (suspension)
F11
15 A
Brake switch, ignition switch
F12
15 A
Parking sensors, automatic wipers and lighting,
passenger’s electric seat, lane departure warning
system, Hi-Fi amplifi er, trailer
F13
5 A
Engine relay unit (BSM), driver’s electric seat
F14
15 A
Air conditioning, Bluetooth ®
hands-free system, automatic
gearbox selector lever, airbags, instrument panel
F15
30 A
Locking and unlocking
F16
-
SHUNT
F17
40 A
Heated rear screen
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PRACTICAL INFORMATION
12 V BATTERY
Procedure for starting the engine
using another battery or for charging
your fl at battery.
The Stop & Start battery does not
have to be disconnected for charging.
The presence of this label, in
particular with the Stop & Start
system, indicates the use of
a 12 V lead-acid battery with
special technology and specifi cation;
the involvement of a CITROËN deal-
er or a qualifi ed workshop is essential
when replacing or disconnecting the
battery.
After refi tting the battery, the Stop &
Start system will only be active after
a continuous period of immobilisa-
tion of the vehicle, a period which
depends on the climatic conditions
and the state of charge of the bat-
tery (up to about 8 hours).
*
or position P
for an automatic gearbox.
Access to the battery
Before doing any work
Immobilise the vehicle: ap-
ply the parking brake, put
the gearbox in neutral * , then switch
off the ignition.
Check that all electrical equipment
is switched off.
Check that the battery posts and
terminals are clean. If they are cov-
ered with sulphate (white or green
deposit), disconnect them and
clean them.
Batteries contain harmful
substances such as sul-
phuric acid and lead. They
must be disposed of in accordance
with regulations and must not, in
any circumstances, be discarded
with household waste.
Take used cell batteries and vehi-
cle batteries to an authorised col-
lection point.
The battery is located under the
bonnet.
For access to the (+) terminal:
)
Release the bonnet using the
interior lever, then the exterior
safety catch,
)
raise the bonnet and secure it
with its stay,
)
lift the plastic cover for access to
the (+) terminal.
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PRACTICAL INFORMATION
General recommendations
Observe the legislation in force in your country.
Ensure that the weight of the towing vehicle is higher than that of the towed vehicle.
The driver must stay at the wheel of the towed vehicle.
Driving on motorways and fast roads is prohibited when towing.
When towing a vehicle with all four wheels on the ground, always use an approved towing bar; rope and straps are pro-
hibited.
When towing a vehicle with the engine off, there is no longer any power assistance for braking or steering.
In the following cases, you must always call on a professional recovery service:
- vehicle broken down on a motorway or fast road,
- when it is not possible to put the gearbox into neutral, unlock the steering, or release the parking brake,
- towing with only two wheels on the ground,
- where there is no approved towing bar available...
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PRACTICAL INFORMATION
Towbar suitable for the attachment
of a trailer with additional lighting
and signalling.
Your vehicle is primarily designed
for transporting people and luggage,
but it may also be used for towing a
trailer.
We recommend the use of genuine
CITROËN towbars and their har-
nesses that have been tested and
approved from the design stage
of your vehicle, and that the fi t-
ting of the towbar is entrusted to
a CITROËN dealer or a qualifi ed
workshop.
If the towbar is not fi tted by a
CITROËN dealer, it is imperative
that it is fi tted in accordance with the
vehicle manufacturer's instructions.
Driving advice
Distribution of loads
)
Distribute the load in the trailer
so that the heaviest items are as
close as possible to the axle and
the nose weight approaches the
maximum permitted without ex-
ceeding it.
Air density decreases with altitude,
thus reducing engine performance.
Above 1 000 metres, the maximum
towed load must be reduced by 10 %
for every 1 000 metres of altitude.
Refer to the "Technical Data" section
for details of the weights and towed
loads which apply to your vehicle.
Side wind
)
Take into account the increased
sensitivity to side wind.
)
To lower the engine speed, re-
duce your speed.
The maximum towed load on a long
incline depends on the gradient and
the ambient temperature.
In all cases, keep a check on the
coolant temperature.
)
If the warning lamp and
the STOP
warning lamp
come on, stop the vehicle
and switch off the engine
as soon as possible.
Braking
Towing a trailer increases the brak-
ing distance.
To avoid overheating of the brakes
on a long mountain type of descent,
the use of engine braking is recom-
mended.
Tyres
)
Check the tyre pressures of the
towing vehicle and of the trailer,
observing the recommended
pressures.
Lighting
)
Check the electrical lighting and
signalling on the trailer.
The rear parking sensors will be
deactivated automatically if a gen-
uine CITROËN towbar is used.
Driving with a trailer places greater
demands on the towing vehicle and
the driver must take particular care.
Cooling
Towing a trailer on a slope increases
the temperature of the coolant.
As the fan is electrically controlled,
its cooling capacity is not dependent
on the engine speed.