2012 Citroen C4 AIRCROSS engine

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25
Monitoring
Visual indicators which inform the driver of theoccurrence of a malfunction (warning lamp)or of the operation of a system (operation or
deactivation indicator lamp).
When the ignition is switched on
Certain warning lamps come on for a few
seconds when the ignition is switched on. When the engine is star ted, these warninglamps should go off.

Associated warnings

The illumination, fixed or flashing, of certain
warning lamps may be accompanied by an
audible signal and a message.
Warning and indicator lamps
If they remain on, before moving off,refer to the information on the warninglamp in question.

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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.

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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.

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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.

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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.

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33
Monitoring
Screen 1Screen 2CauseSolution - ActionObservations
Fault with the "Keyless Entry andStarting" system. Contact a CITROËN dealer.
F
ault with the electronic anti-theftsystem. Switch off the ignition, then start theengine. If the problem persists, contact aCITROËN dealer.
The electronic key is not detected. Inser t the electronic key into the
housin
g located in the glove box. Remember to remove the electronickey from the housing after star ting
the vehicle.
The electronic ke
y has not been removed from the housing in the glove box. Remove the electronic ke
y from the
housing in the glove box.
The steering column is locked. Switch the ignition on and turn the
steering wheel slightly to unlock the
steering column.
The en
gine is off but the gear lever
is not in position P . P Place the gear lever in position P.P Only for vehicles fitted with a "CVT"gearbox.

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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.

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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.