2021 CITROEN C4 AIRCROSS warning

15
Warning/indicator lampis on Cause Action / Observations
Anti-lock
Braking System
(ABS) fixed.
The anti-lock braking system has a
fault. The vehicle retains conventional braking.
Drive carefully at reduced speed and contact a CITROËN
dealer or a qualified workshop without delay.
Front seat belt
not fastened /
unfastened
fixed, then flashing,
accompanied by an
audible signal.The driver has not fastened or has
unfastened their seat belt.
Pull the strap, then insert the tongue in the buckle.
Airbags and
pretensioners temporarily.
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 systems. Have it checked by a CITROËN dealer or a qualified
workshop.
Under-inflation fixed,
accompanied by
a message.The tyre pressure for one or more
wheels is too low.
Check the tyre pressures as soon as possible.
This check should preferably be done with the tyres cold.
You must reinitialise the system after every adjustment of
one or more tyre pressures and after replacing one or more
wheels.
For more information refer to the "Under-inflation detection"
section.
flashing
then fixed,
accompanied by
a message. The system has a fault and/or one
or more wheels does not have a
detected sensor.
The tyre pressures are no longer monitored.
Have the system checked by a C
ITR
oËn d

ealer or a
qualified workshop.
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Monitoring

16
Operation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has come into operation.
It may be accompanied by an audible signal and a message in the instrument panel screen.Warning /indicator lampis on Cause Action / Observations
Left-hand
direction
indicator flashing with audible
warning.
The lighting stalk has been pressed
downwards. If this indicator lamp flashes abnormally quickly, this
could indicate that the bulb of one of the direction
indicators has blown. Change the bulb or contact a
CITROËN dealer or a qualified workshop.
Right-hand
direction
indicator flashing with audible
warning.
The lighting stalk has been pushed
upwards. If this indicator lamp flashes abnormally quickly, this
could indicate that the bulb of one of the direction
indicators has blown. Change the bulb or contact a
CITROËN dealer or a qualified workshop.
Sidelamps or
dipped beam
headlamps fixed.
The sidelamps or dipped beam
headlamps are on.
Main beam
headlamps fixed.
The lighting stalk is pulled towards
you. Pull the stalk to return to dipped beam headlamps.
Front foglamps fixed. The front foglamps are switched on. Turn the ring on the stalk rear wards twice to switch off
the front foglamps.
Rear foglamp sfixed. The rear foglamps are switched on. Turn the ring on the stalk rear ward to switch off the
rear foglamps.
Monitoring

17
Warning/indicator lampis on Cause Action / Observations
Cruise control fixed This comes on when the cruise
control has been activated. Press the "ON/OFF" button to activate/deactivate the
cruise control.
Active stability
control 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 fixed.
When the vehicle stops (red lights,
traffic jams, ...) the Stop & Start
(AS&G) function has put the engine
into STOP mode. The warning 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
of f. STOP mode is temporarily
unavailable.
or
START mode is invoked
automatically. See "Stop & Start (
aS

&G) function" for special cases
with STOP mode and START mode.
Diesel engine
pre-heating
fixed.
The engine is cold and:
-

t
he ignition switch is at the
ON


position (ignition on), or
-

t
he START/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 start, switch the ignition off and
then on again and wait again until the warning lamp
goes off, then start the engine.
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Monitoring

18
Deactivation indicator lamps
If one of the following indicator lamps comes on, this confirms that the corresponding system has been switched off intentionally.
This is may be accompanied by an audible signal and a message in the screen.Warning /indicator lampis on Cause Action / Observations
ASC/TCL fixed. The ASC/ TCL off switch, located at
the bottom of the dashboard (driver's
side) has been pressed.
ASC/ TCL is deactivated.
ASC: active stability control.
TCL: traction control. Press the button to activate the ASC/ TCL.
The ASC/ TCL system is automatically activated on
starting the vehicle.
Stop & Star t
system
(Auto
Stop & Go)fixed.
The off switch for the Stop & Start
(AS&G) system, located at the bottom
of the dashboard (driver's side) has
been pressed.
The Stop & Start (AS&G) system is
deaactivated. Press the switch again to activate the Stop & Start
(AS&G) system.
Monitoring

19
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 alerts, by pressing the INFO button on the dashboard.
The messages 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 long press
.
Ignition off.
Ignition on
(with a manual gearbox). Ignition on
(with a CVT gearbox).
Warnings and alerts
When an alert 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 alerts, they are displayed in turn and this symbol appears. It remains displayed while there are still alerts.
You will then be able to display the alerts again by pressing the INFO button several times to cycle through the trip computer information and return to
the alerts.
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Monitoring

20
Screen 1 Screen 2Cause Solution - ActionObservations
Warning messages (ignition at "OFF")
You have forgotten to switch off the
vehicle lighting.Switch off the vehicle lighting by
placing the control at OFF.There is an intermittent audible
signal.
The alarm has been triggered.
The battery for the
k
e
yless Entry
and Starting system is flat. Replace the battery (see "Changing
the batteries").
The electronic key that you have on
your person is not recognised. Check that you have the correct
electronic key.If the message persists, contact a
CITROËN dealer.
The electronic key is still in the
vehicle and you have tried to lock
the doors or boot from the outside. Ensure that you have the electronic
key on your person before locking
the 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.
Monitoring

23
Screen 1 Screen 2Cause Solution - 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 qualified workshop.
The battery for the "
ke

yless Entry
and Starting" system is flat. Replace the battery (see "Changing
the batteries").
The electronic key that you have on
your person is not recognised. Check that you have the correct
electronic key.If the message persists, contact a
CITROËN dealer.
The electronic key is still in the
vehicle and you have tried to lock
the doors or boot from the outside. Ensure that you have the electronic
key on your person before locking
the 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 "Keyless Entry and
Starting" system. Contact a CITROËN dealer.
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Monitoring

42
In the menu screen:
F p ress the INFO button to
select
"

REINITIALISE" (located in menu 2/3
or 3/3 depending on the instrument panel) :
Reinitialising the under-inflation
detection system (REINITIALISE)
You must reinitialise the under-inflation
detection system after adjusting one or more
tyre pressures or replacing one or more
wheels.
F

p
ress and hold the INFO button for at least
3 seconds .
There is an audible signal and the under-
inflation warning lamp flashes slowly until
reinitialisation is complete.
In the menu screen:
F

p

ress the INFO button to select the current
fuel consumption activation / deactivation
symbol (located in menu 2/3) :Activation / deactivation of the
current fuel consumption*
You can activate or deactivate the display
of the current fuel consumption, with the
type
2 instrument panel only.
F

p
ress and hold the INFO button for a few
seconds to scroll through the choices in
succession (ON, OFF).
* Depending on equipment.
In the menu screen:
F p ress the INFO button to select sound 1 or 2
(located in menu 2/3) :
Selection of the sound
for the direction indicators
You can select the sound for the direction
indicators, with the type 2 instrument panel only.
Monitoring