check engine Citroen C4 AIRCROSS RHD 2012 1.G Owner's Manual

Contents
Direction indicators 145
Hazard warning lamps 145
Horn 145
Braking assistance systems 146
Tr ajectory control systems 148
Front seat belts 150
Airbags 154
Child seats 159
ISOFIX child seats 164
Child lock 169
Safety
Te m p o r a ry puncture repair kit 170
Changing a wheel 174
Changing a bulb 180
Changing a fuse 186
12 V battery 192
Automatic power cut-off to accessories 195
Changing a wiper blade 195
Recovering the vehicle 196
To w i ng a trailer 199
Fitting roof bars 201
Accessories 202
Practical information
Bonnet 205
Petrol engines 206
Diesel engines 207
Fuel tank 208
Running out of fuel (Diesel) 210
Checking levels 211
Checks 214
Checks
Petrol engines 217
Petrol weights 218
Diesel engines 219
Diesel weights 220
Dimensions 221
Identifi cation markings 222
Technical data
AUDIO-TELEMATIC system 223
AUDIO- CD system 283
Audio and telematics
Alphabetical index
Visual search

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23
Familiarisation
Limit the causes of excess
consumption
Spread loads throughout the vehicle; placethe heaviest items in the bottom of the boot,as close as possible to the rear seats.Limit the loads carried in the vehicle and reduce wind resistance (roof bars, roof rack, bicycle carrier, trailer...). Use a roof box inpreference.Remove roof bars and roof racks after use.

At the end of winter, remove snow tyres and refit your summer tyres.
Observe the recommendations
on maintenance
Check the tyre pressures regularly, when cold, referring to the label in the door aper ture, driver's side.
Carry out this check in par ticular:- before a long journey,- at each change of season,- after a long period out of use. Don't forget the spare wheel and the tyres onany trailer or caravan.
Have your vehicle ser viced regularly (engine oil, oil filter, air filter...) and obser ve the schedule of operations recommended by themanufacturer.


When refuelling, do not continue after the3 rd
cut-off of the nozzle to avoid any over flow.

At the wheel of your new vehicle, it is only after the first 1 800 miles (3 000 kilometres) that you will see the fuel consumption settledown to a consistent average.

26
Monitoring
Warning lamps
When the engine is running or the vehicle is
being driven, the illumination of one of the following warning lamps indicates a malfunction
which requires action on the par t of the driver.
The warnin
g comes on in the instrument panel
or appears in the instrument panel screen.
Warning lampis onCauseAction / Observations
Parking brake / Brake fluid level / Electronic brake force distributionfix
ed. It comes on for a few seconds, then goes off when the ignition is switched
to "ON".
The parkin
g brake is on or not fully released. It is accompanied by a message. Release the parkingbrake to make the warning lamp go off.
Th
e brake fluid level is too low.It is accompanied by a message. Top up with brake
fluid and contact a CITROËN dealer or a qualified
workshop.
Th
e electronic brake force distribution(EBFD) is faulty.You must stop as soon as it is safe to do so.
Have it checked by a CITROËN dealer or a qualified
workshop.
Engine autodiagnosis system
flashing. The engine management system hasa fault. Risk of destruction of the catalytic conver ter.
Have it checked by a CITROËN dealer or a qualified
workshop.
fix
ed. The emission control system has a
fault. The warning lamp should go off when the engine is started. If it does not go off, contact a CITROËN dealer or
qualified workshop without delay.
The illumination of a warning lamp may be accompanied by the display of an additionalmessage, to assist you in identifying the problem. If you encounter any problems, you should contact a CITROËN dealer or a qualified workshop.

1
27
Monitoring
Warning lampis onCauseAction / Observations
Battery charge*fixed.The battery charging circuit has afault (dir ty or loose terminals, slack or cut alternator belt, ...). The warnin
g lamp should go off when the engine is started.
If it does not go off, contact a CITROËN dealer or a
qualified workshop.
Anti-lockBraking System(ABS)
fixed.The anti-lock braking system has afault. The vehicle retains conventional braking.
Drive carefully at reduced speed and contact a
CITROËN dealer or a qualified workshop without
delay.
Front seat beltnot fastened /
unfastenedfixed, then flashin
g,accompanied by an
audible signal. Th
e driver has not fastened or has unfastened their seat belt. Pull the strap, then inser t the tongue in the buckle.

*

According to destination country.
Airbags andpretensionerstemporarily. When you switch on the ignition, this
warning lamp comes on for a few
seconds, then goes off. If it does not
go off, contact a CITROËN dealer or a
qualified workshop.
fixed.Fault with one of the airbag or seat
belt pretensioner s
ystems.Have it checked b
y a CITROËN dealer or a qualified
workshop.

1
29
Monitoring
Warning lampis onCauseAction / Observations
Cruise control
fixed
This comes on when the cruisecontrol has been activated. Press the "ON/OFF" button to activate/deactivate thecruise control.
Active stabilitycontrol and traction control (ASC/TCL)

flashing.Operation of the ASC/ TCL systems. The systems optimise traction and improve the
directional stability of the vehicle.
Adapt your driving and moderate your speed.

fixed. Fault in the ASC/TCL systems. Have it checked by a CITROËN dealer or a qualified
workshop.
Stop & Star t(Auto Stop & Go)function
fix
ed. When the vehicle stops (red lights,
traffic jams, ...) the Stop & Star t (AS&G) function has put the engine
into STOP mode. The warnin
g lamp goes off and the engine restarts
automatically in START mode, as soon as you want to move off.

flashes for a few
seconds, then goes off.
STOP mode is temporarily
unavailable. or START mode is invoked
automatically.
See "Stop & Start (AS&G) function" for special cases
with
STOP mode and STA R T mode.
Diesel engine pre-heating fixed. The engine is cold and:
- the ignition switch is at
the ONposition (ignition on), or
- the STA R T/STOP
starting button
has been pressed (ignition on).
With key starting, wait until the warning lamp has gone
off before starting.
With the Keyless Entry and Starting system, the engine
will only start after the warning lamp has gone off.
The duration for which the warning lamp is on is
determined by the climatic conditions (up to 30 seconds
in severe weather).
If the engine does not star t, switch the ignition off and
then on again and wait again until the warning lamp goes off, then star t the engine.

1
31
Monitoring








Instrument panel screen


Each time the engine is started: warning lamps and/or messages come on, applying a checking self test. They go off after a few seconds.


When
you want to see the trip computer information, you can choose to ignore the aler ts, by pressing the INFO
button on the dashboard.

The messa
ges displayed may vary according to the type of display screen (type 1 or type 2) in the instrument panel.
Cer tain messages are only displayed in the type 2 screen.
When this symbol appears: make a
short press. When this symbol appears: make a longpress.
Ignition off.Ignition on (with a manual gearbox).Ignition on (with a CVT gearbox).

Warnings and alerts


When an aler t occurs, the displayed information then disappears. the warning lamp and its associated message appear, accompanied if appropriate by
an audible signal.
When there are several aler ts, they are displayed in turn and this symbol appears. It remains displayed while there are still alerts.
You will then be able to displa
y the aler ts again by pressing the INFO
button several times to cycle through the trip computer information and return to
the alerts.

1
35
Monitoring
Screen 1Screen 2CauseSolution - ActionObservations

Warning messages (ignition at "ON")
Fault with the electric power steering. Stop the vehicle, wait few moments
then start the engine again. If the message remains after
restarting, contact a CITROËN
dealer or a quali
fied workshop.
The batter
y for the "Keyless Entry and Starting" system is flat. Replace the battery (see "Changingthe batteries").
The electronic ke
y that you have onyour person is not recognised. Check that you have the correctelectronic key. If the message persists, contact a CITROËN dealer.
The electronic ke
y is still in the
vehicle and you have tried to lock
the doors or boot from the outside. Ensure that
you have the electronickey on your person before lockingthe vehicle.
One of the doors or the boot is not properly closed when locking the
vehicle from the outside. Close the door or the boot, then lock
the vehicle.
Fault with the "Ke
yless Entry andStarting" system. Contact a CITROËN dealer.

36
Monitoring
Screen 1Screen 2CauseSolution - ActionObservations
The brake fluid level is too low. Top up using a brake fluid listed by CITROËN. If the problem persists, contact
a CITROËN dealer or a qualified workshop.
Fault with the brakin
g system. You must stop as soon as it is safe
to do so. Have the system checked by a CITROËN dealer or a qualified workshop.
Fault with the anti-lock braking
s
ystem (ABS). Contact a CITROËN dealer or a qualified workshop. The vehicle retains conventional
braking without assistance but you
are advised to stop.
One of the doors or the boot is notproperly closed. Close the door or the boot. The opening in question is identified
in the screen.
The bonnet is not properly closed. Close the bonnet.
F
ault with the electronic anti-theft
system. Switch off the ignition then start the engine again. If the problem persists, contact aCITROËN dealer.
The driver's door is open and theignition is still on. Switch off the ignition before leavingthe vehicle.

38
Monitoring
Screen 1Screen 2CauseSolution - ActionObservations
You have moved off with the parkingbrake not fully released. Release the parking brake.
The oil pressure is too low or there
is a
fault with the engine lubrication
system. Stop the vehicle and contact a CITROËN dealer or a qualified
workshop.
Battery charge
fault. Stop the vehicle and contact a CITROËN dealer or a qualified
workshop.
Airba
g or pretensioner fault. Contact a CITROËN dealer or a qualified workshop to have the systems checked.
Fault with automatic headlampadjustment system. Contact a CITROËN dealer or a qualified workshop. Only on vehicles fitted with xenon headlamps.
Fault with the stabilit
y control
system (ASC). Contact a CITROËN dealer or a qualified workshop.
F
ault with the four wheel drive
transmission system. Contact a CITROËN dealer or a qualified workshop.

40
Monitoring
Screen 1Screen 2CauseSolution - ActionObservations
Engine oil level not correct (below minimum level or above maximum level). Stop the vehicle as soon as it is safe
to do so.
Check the level with the dipstick and
top-up if the level low.
I
f the level is above the maximum
mark, do not restar t the engine andcontact a CITROËN dealer or aqualified workshop. Never drive with an incorrect oil
level.
Presence of water in the Diesel fuel filter. Risk of damage to the injection system on Diesel engines. Contact a CITROËN dealer or aqualified workshop as soon as possible.
The ambient temperature is at or
below 3 °C
(37 °F). There may be black ice on the road.
Take care and drive gently.
The clutch pedal is not depressed
while star tin
g the engine. Depress the clutch pedal to star t theengine. For vehicles fitted with a manual gearbox.
The gear lever is not in position P
or position N
when starting the engine. Place the gear lever at position P tostart the engine. For vehicles fitted with a CVT gearbox.
The brake
pedal is not pressed
while star ting the engine. Press the brake pedal to star t theengine.