2021 CITROEN C4 AIRCROSS Handbook (in English)

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.
1
Monitoring

24
Screen 1 Screen 2Cause Solution - 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 braking 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
system (ABS). Contact a CITROËN dealer or a
qualified workshop.The vehicle retains conventional
braking without assistance but you
are advised to stop.
The tyre pressure is too low in one
or more tyres. Check the tyre pressures as soon
as possible.
This check should preferably
be done with the tyres cold.
You must reinitialise the system
after adjusting one or more tyre
pressures or after changing one or
more wheels.
For more information, refer to the
"Under-inflation detection system"
section.If the problem persists, contact
a C
ITR
oËn d

ealer or a qualified
workshop.
There is a fault with the under-
inflation detection system and/or
at least one wheel does not have a
detected sensor. The tyre pressures are no longer
monitored.
Have the system checked by a
CITROËN dealer or a qualified
workshop.
Monitoring

25
Screen 1 Screen 2Cause Solution - ActionObservations
One of the doors or the boot is not
properly 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.
Fault with the electronic anti-theft
system. Switch off the ignition then start the
engine again.If the problem persists, contact a
CITROËN dealer.
The driver's door is open and the
ignition is still on. Switch off the ignition before leaving
the vehicle.
1
Monitoring

26
Screen 1 Screen 2Cause Solution - ActionObservations
Fault in the steering column. You must stop as soon as it is safe
to do so.Contact a CITROËN dealer or a
qualified workshop.
Fault with the electrical system. Stop the vehicle and contact a CITROËN dealer or a qualified
workshop.
The cooling system temperature is
too high. Wait for the engine to cool down
before topping up, if necessary.
If the problem persists, contact
a CITROËN dealer or a qualified
workshop.You must stop as soon as it is safe
to do so.
The temperature of the CVT
transmission fluid is too high. Stop the vehicle and contact a
CITROËN dealer or a qualified
workshop.
The driver has not fastened or has
unfastened their seat belt. Fasten your seat belt.
There is a continuous audible signal
if you drive without fastening your
seat belt.
Malfunction of the fuel system. Contact a CITROËN dealer or a qualified workshop.
Monitoring

27
Screen 1 Screen 2Cause Solution - ActionObservations
You have moved off with the parking
brake 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.
Airbag or pretensioner fault. Contact a CITROËN dealer or a
qualified workshop to have the
systems checked.
Fault with automatic headlamp
adjustment system. Contact a CITROËN dealer or
a
qualified workshop.Only on vehicles fitted with xenon
headlamps.
Fault with the stability control
system (ASC). Contact a CITROËN dealer or
a
qualified workshop.
Fault with the four wheel drive
transmission system. Contact a CITROËN dealer or
a
qualified workshop.
1
Monitoring

28
Screen 1 Screen 2Cause Solution - ActionObservations
Fault with the CVT gearbox. Contact a CITROËN dealer or a
qualified workshop.
The temperature of the four wheel
drive transmission system is too
high. Stop the vehicle and contact
a
CITROËN dealer or a qualified
workshop. The vehicle changes automatically
to two wheel drive (2WD).
The fuel level is low. Refuel as soon as possible.
The low level of the particle
filter additive reservoir has been
reached. Have the reservoir topped up as
soon as possible by a CITR
oËn


dealer or a qualified workshop. Only for the 1.6 litre HDi engine.
+ Start of saturation of the particle
f i l t e r.
As soon as the driving conditions
allow, regenerate the filter by driving
at a speed of at least 25 mph
(40
km/h) for around 20 minutes (with
the 1.6
litre HDi engine the minimum
speed is 36 mph (60
km/h)).If the message remains on, contact
a CITROËN dealer or a qualified
workshop.
The particle filter is faulty. Stop as soon as it is safe to do so.Contact a CITROËN dealer or
a
qualified workshop as soon as
possible.
Monitoring

29
Screen 1 Screen 2Cause Solution - 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.
If the level is above the maximum
mark, do not restart the engine and
contact a CITROËN dealer or a
qualified workshop.Never drive with an incorrect oil
level.
* * Presence of water in the
d
i
esel fuel
f i l t e r. Risk of damage to the injection
system on Diesel engines.Contact a CITROËN dealer or a
qualified 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 starting the engine. Depress the clutch pedal to start the
engine.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 to
start the engine.For vehicles fitted with a CVT
gearbox.
The brake pedal is not pressed
while starting the engine. Press the brake pedal to start the
engine.
* Depending on country of sale.
1
Monitoring

30
Screen 1 Screen 2SystemObservations
Information messages (ignition at "ON")
2WD two wheel drive
systemFlashes for a few moments when the "2WD" (2 wheel drive) mode is selected using
the transmission mode selector, for 4 wheel drive versions.
4WD four wheel drive
system Flashes for a few moments when the "4WD" (4 wheel drive) mode is selected using
the transmission mode selector, for 4 wheel drive versions.
4WD LOCK four wheel
drive system Flashes for a few moments when the "LOCK" (4 wheel drive) mode is selected using
the transmission mode selector, for 4 wheel drive versions.
Active stability control
(ASC) Flashes when the stability control system (ASC) is operating.
Monitoring