2011 Citroen C4 check engine

3
COMFORT
63
RECOMMENDATIONS FOR VENTILATION AND AIR CONDITIONING
In order for these systems to be fully effective, follow the operation and
maintenance guidelines below:


)
To obtain an even air distribution, take care not to obstruct the exterior
air intake grilles located at the base of the windscreen, the nozzles,
the vents and the air outlets, as well as the air extractor located in the
boot.

)
Do not cover the sunshine sensor, located on the dashboard; this is
used for regulation of the digital air conditioning system.

)
Operate the air conditioning system for at least 5 to 10 minutes, once or
twice a month to keep it in perfect working order.

)
Ensure that the passenger compartment fi lter is in good condition and have
the fi lter elements replaced regularly (refer to the "Checks" section).
We recommend the use of a combined passenger compartment fi lter.
Thanks to its special active additive, it contributes to the purifi cation of
the air breathed by the occupants and the cleanliness of the passenger
compartment (reduction of allergic symptoms, bad odours and greasy
deposits).

)
To ensure correct operation of the air conditioning system, you are
also advised to have it checked regularly as recommended in the
Maintenance and Warranty Guide.

)
If the system does not produce cold air, switch it off and contact a
CITROËN dealer or a qualifi ed workshop.
When towing the maximum load on a steep gradient in high temperatures,
switching off the air conditioning increases the available engine power and
so improves the towing ability.
If after an extended stop in sun-
shine, the interior temperature is
very high, fi rst ventilate the pas-
senger compartment for a few
moments.
Put the air fl ow control at a set-
ting high enough to quickly
change the air in the passenger
compartment.
The air conditioning system
does not contain chlorine and
does not present any danger to
the ozone layer.

The condensation created by
the air conditioning results in a
discharge of water under the ve-
hicle which is perfectly normal.

5
104
Automatic rain sensitive
windscreen wipers
The windscreen wipers operate automat-
ically, without any action on the part of
the driver, if rain is detected (sensor be-
hind the rear view mirror), adapting their
speed to the intensity of the rainfall.
Briefl y push stalk A
downwards.

The instruction is confi rmed by
a wiping cycle, accompanied by
illumination of this warning lamp
in the instrument panel and an activation
message.


Switching on

Switching off
Operating fault
If an automatic rain sensitive wiper mal-
function occurs, the wipers will operate
in intermittent mode.
Contact a CITROËN dealer or a quali-
fi ed workshop.
Do not cover the rain sensor,
linked with the sunshine sensor
and located in the centre of the
windscreen behind the rear view
mirror.
Switch off the automatic rain
sensitive wipers when using an
automatic car wash.
In winter, it is advisable to wait
until the windscreen is completely
clear of ice before activating the
automatic rain sensitive wipers.

The automatic rain sensitive
windscreen wipers must be re-
activated if the ignition has been
off for more than one minute.
Briefl y push stalk A
downwards
again.
The instruction is confi rmed by
this warning lamp going off in
the instrument panel and/or the display
of a deactivation message.
Windscreen and headlamp
wash
On vehicle fi tted with headlamp wash-
ers, the low level of this fl uid is indicated
by gauge in the reservoir fi ller neck un-
der the bonnet.
Checking and topping up this fl uid can
only be done when stationary with the
engine off.
The driver should check the level of this
fl uid regularly, particularly during winter.
Refer to "Checks - § Screenwash/head-
lamp wash level" for the procedure on
checking the level.


Low screenwash/headlamp wash
level

)
Pull the windscreen wiper stalk to-
wards you. The windscreen wash
then the windscreen wipers operate
for a fi xed period.
The headlamp washers only operate
when the dipped beam headlamps
are on
.

6
FITTINGS
11 5
230 V/50 HZ POWER SOCKET


A 230 V/50 Hz socket (maximum power:
120 W) is fi tted to the centre console.

To use the socket:


)
lift the front armrest cover for ac-
cess to its compartment,

)
check that the warning lamp is on
green,

)
connect your multimedia or other
electrical device (telephone charger,
laptop computer, CD-DVD player,
baby food warmer...).
This socket works with the engine
running, as well as in STOP mode on
Stop & Start.

)
To connect a 12 V accessory (max
power: 120 W), lift the cover and
connect a suitable adaptor.
12 V ACCESSORY SOCKET

Connect only one device at a
time to the socket (no extension
or multi-way connector).
Connect only devices with class
II insulation (shown on the de-
vice).
As a safety measure, when elec-
trical consumption is high and
when required by the vehicle's
electrical system (particular
weather conditions, electrical
overload...), the current supply
to the socket will be cut off; the
green warning lamp goes off.

In the event of a fault with the socket,
the green warning lamp fl ashes.
Have it checked by a CITROËN dealer
or a qualifi ed workshop.

8
133
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
136
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.

9
DRIVING
142
ELECTRIC PARKING BRAKE

The electric parking brake combines
2 operating modes:


- Automatic Application/Release


Application is automatic when the
engine stops, release is automatic
on use of the accelerator (activated
by default),

- Manual Application/Release


The parking brake can be applied/
released manually by pulling control
lever A
.
If this warning lamp comes on
in the instrument panel, the au-
tomatic mode is deactivated.
Programming the mode

Depending on the country of sale of the ve-
hicle, the automatic application when the
engine is switched off and the automatic
release when you press the accelerator
can be deactivated.

It is recommended that you do
not apply the parking brake in
very cold conditions (ice) and
during towing (breakdown, cara-
van...). Deactivate the automatic
functions and release the parking
brake manually.

Manual application

With the vehicle stationary, to apply the
parking brake whether the engine is
running or off, pull
control lever A
.
The application of the parking brake is
confi rmed by:


- lighting of the braking warn-
ing lamp and of the P
warning
lamp in the control lever A
,

- display of the message
"Handbrake on".

Before leaving the vehicle, check
that parking brake warning lamp
in the instrument panel is on
fi xed, not fl ashing.
When the driver’s door is opened with
the engine running, a loud beep is heard
and a message is displayed if the park-
ing brake has not been applied, unless
the gear lever is in position P
(Park) in
the case of an automatic gearbox.
Activation/deactivation is per-
formed using the vehicle confi gu-
ration menu, refer to the section
on parameter settings for the
systems of your vehicle.

The parking brake is then applied and
released manually. When the driver's
door is opened, there is an audible signal
and a message is displayed if the brake
is not applied.

Do not place any object (packet
of cigarettes, telephone...) be-
tween the gear lever and the
electric parking brake control
lever.

9
143

Manual release

With the ignition on or the engine run-
ning, to release the parking brake,
press
on the brake

pedal
or the accel-
erator, pull then release
control A
.
The full application of the parking brake
is confi rmed by:


- extinction of the braking warn-
ing lamp and of the P
warning
lamp in the control lever A
,

- display of the message
"Handbrake off".

If you pull control lever A
with-
out pressing the brake pedal,
the parking brake will not be
released and a warning lamp
will come on in the instrument
panel.


Maximum application

If necessary, you can utilise maximum
application
of the parking brake. It is
obtained by means of a long pull
on
the control lever A
, until you see the
message "Handbrake on maximum"
and a beep is heard.

Maximum application is essential:



- in the case of a vehicle towing a
caravan or a trailer, if the automatic
functions are activated but you are
applying the parking brake manu-
ally,

- when the gradient you are parked
on may vary (e.g. on a ferry, on a
lorry, during towing),

In the case of towing, a loaded vehicle
or parking on a gradient, make a maxi-
mum application of the parking brake
then turn the front wheels towards the
pavement and engage a gear when you
park.
After a maximum application, the re-
lease time will be longer.

Automatic application, engine off

With the vehicle stationary, the parking
brake is automatically applied when
the engine is switched off.

The application of the parking brake is
confi rmed by:


-

illumination of the braking warn-
ing lamp and of the P
warning
lamp in the control lever A
,


- display of the message
"Handbrake on".

Before leaving the vehicle, check
that parking brake warning lamp
in the instrument panel is on
fi xed (not fl ashing).
Never leave a child alone inside
the vehicle with the ignition on,
as they could release the parking
brake.

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.

9
DRIVING
144

Automatic release

The electric parking brake releases au-
tomatically and progressively
when
you press the accelerator:


)
Manual gearbox:
press down fully
on the clutch pedal, engage fi rst
gear or reverse, press on the accel-
erator pedal and move off.

)

6-speed electronic gearbox system
:
select position A
, M
or R
then press on
the accelerator pedal.

)

Automatic gearbox:
select position D
,
M
or R
then press on the accelerator
pedal.

Full release of the parking brake is con-
fi rmed by:


- extinction of braking warning
lamp and of the P
warning
lamp in the control lever A
,

- display of the message
"Handbrake off".

When stationary, with the engine
running, do not press the ac-
celerator pedal unnecessarily,
as you may release the parking
brake.



Immobilising the vehicle,
engine running
With the engine running and the vehicle
stationary, in order to immobilise the
vehicle it is essential to manually
ap-
ply the parking brake by pulling
control
lever A
.
The application of the parking brake is
confi rmed by:


-
illumination of the braking
warning lamp and the P
warn-
ing lamp in the control lever A
,



- display of the message
"Handbrake on".

Before leaving the vehicle, check
that parking brake warning lamp
on the instrument panel is on
fi xed, not fl ashing.

Particular situations


In certain situations (e.g. starting the
engine), the parking brake can auto-
matically alter its force. This is normal
operation.
To advance your vehicle a few centime-
tres without starting the engine, but with
the ignition on, press on the brake pedal
and release the parking brake by pull-
ing
then releasing
the control lever A
.
The full release of the parking brake is
confi rmed by the warning lamps in the
control lever A
and in the instrument
panel going off and display of the mes-
sage "Handbrake off".
If the parking brake malfunctions while
applied
or if the battery runs fl at, an
emergency release is always possible.

When the driver’s door is opened, a
loud beep is heard and a message is
displayed if the parking brake has not
been applied, unless the selector lever
is in position P
(Park) in the case of an
automatic gearbox.