engine CITROEN C4 2023 User Guide

14
Dashboard instruments
System malfunction (Electric)Fixed.
A fault involving the electric motor or
traction battery has been detected.
Carry out (1) and then (2).
Cable connected (Electric)Fixed when the ignition is switched on.
The charging cable is connected to the
vehicle's connector.
Fixed when the ignition is switched on,
accompanied by a message.
It is not possible to start the vehicle while the
charging cable is connected to the vehicle’s
connector.
Disconnect the charging cable and close the
flap.
12 V battery chargeFixed.
The battery charging circuit is faulty
(e.g.

dirty terminals, loose or severed alternator
belt).
Carry out (1).
If the electric parking brake stops working,
immobilise the vehicle:
►

With the manual gearbox, engage a gear
.
►

With the automatic gearbox or drive selector
,
fit the chock against one of the wheels.
Clean and tighten the terminals. If the warning
lamp does not go off when the engine is started,
carry out (2).
BrakingFixed.
The brake fluid level in the braking circuit
has dropped significantly.
Carry out (1), then top up with fluid that complies
with the manufacturer's recommendations. If the
problem persists, carry out (2).
Fixed.
The electronic brake force
distribution

(EBFD) system is faulty.
Carry out (1) and then (2).
Manual parking brake (depending on
version)
Fixed.
The parking brake is applied or not
properly released.
Fixed.
The parking brake is applied or not
properly released.
Electric parking brakeFixed.
The electric parking brake is applied.
Flashing.
Application/release is faulty.
Carry out (1): park on flat ground (on a level
surface).
With a manual gearbox, engage a gear.
With an automatic gearbox or drive selector,
select mode
P.
Switch off the ignition and carry out (2).
Door(s) openFixed, associated with a message
identifying the access.
An audible signal supplements the alert if the
speed is higher than 6 mph (10
km/h).
A door or the boot is not properly closed.
Seat belts not fastened/unfastenedFixed or flashing, accompanied by an
increasing audible signal.
A seat belt has not been fastened or has been
unfastened.
Orange warning/indicator lamps
Service
Temporarily on, accompanied by the display of a message.
One or more minor faults, for which there is/are
no specific warning lamp(s), have been detected.
Identify the cause of the fault using the message
displayed on the instrument panel.
You may be able to deal with some faults
yourself, such as changing the battery in the
remote control.
For other faults, such as with the tyre under-
inflation detection system, carry out (3).
Fixed, accompanied by the display of a
message.
One or more major faults, for which there is/are
no specific warning lamp(s), have been detected.
Identify the cause of the fault using the message
displayed on the instrument panel, then carry
out (3).

15
Dashboard instruments
1Fixed, accompanied by the message
"Parking brake fault".
Automatic release of the electric parking brake is
unavailable.
Carry out (2).
Service warning lamp fixed and
service spanner flashing then
fixed.
The servicing interval has been exceeded.
The vehicle must be serviced as soon as
possible.
Only with BlueHDi Diesel engines.
BrakingFixed.
A minor fault with the braking system has
been detected.
Drive carefully.
Carry out (3).
Malfunction (with electric parking brake)Fixed, accompanied by the
message "Parking brake fault".
The vehicle cannot be immobilised with the
engine running.
If manual application and release commands are
not working, the electric parking brake control is
faulty.
The automatic functions must be used at all
times and are automatically reactivated in the
event of a fault with the control.
Carry out (2).
Fixed, accompanied by the
message "Parking brake
fault".
The electric parking brake is faulty: manual and
automatic functions may not be working.
When stationary, to immobilise the vehicle:
►

Pull the electric parking brake control and
hold it for approximately 7 to 15 seconds, until
the indicator lamp lights up on the instrument
panel.
If this procedure does not work, secure the
vehicle:
►


Park on a level surface.
►


With a manual gearbox, engage a gear
.
►

With an automatic gearbox or drive selector
,
select

P, then place the supplied chock against
one of the wheels.
Then carry out (2).
Automatic functions deactivated (electric
parking brake)
Fixed.
The "automatic application" (on switching
off the engine) and "automatic release" (on
acceleration) functions are deactivated.
If automatic application/release is no longer
possible:
►

Start the engine.
►


Use the control to apply the electric parking
brake.
►


T

ake your foot fully off the brake pedal.
►

Hold the control pressed in the release
direction for between 10 and 15

seconds.
►

Release the control. ►


Depress and hold the brake pedal.
►

Pull the control in the application direction for
2
seconds.
►
Release the control and the brake pedal.
Anti-lock braking system (ABS)Fixed.
The anti-lock braking system has a fault.
The vehicle retains conventional braking.
Drive carefully at moderate speed, then carry
out (3).
Power steeringFixed.
The power steering has a fault.
Drive carefully at moderate speed, then carry
out (3).
Engine self-diagnostic system (Petrol or
Diesel)
Flashing.
The engine management system has a
fault.
There is a risk that the catalytic converter will be
destroyed.
You must carry out (2).
Fixed.
The emissions control system has a fault.
The warning lamp should go off when the engine
is started.
Carry out (3) without delay.

16
Dashboard instruments
Engine self-diagnostics system (Petrol or
Diesel)
Fixed.
A minor engine fault has been
detected.
Carry out (3).
Dynamic stability control (DSC)/Anti-slip
regulation (ASR)
Flashing.
DSC/ASR system regulation is activated
in the event of a loss of grip or trajectory.
Fixed.
The DSC/ASR system has a fault.
Carry out (3).
Emergency brake malfunction (with
electric parking brake)
Fixed, accompanied by the
message "Parking brake fault".
Emergency braking does not deliver optimal
performance.
If automatic release is not available, use manual
release or carry out (3).
Hill start assistFixed, accompanied by the
message "Anti roll-back system
fault".
The system has a fault.
Carry out (3).
Dynamic stability control (DSC)/Anti-slip
regulation (ASR)
Fixed.
The system is deactivated. The DSC/ASR system is reactivated
automatically when the vehicle is started, and at
speeds above approximately 31 mph (50
km/h).
At speeds below 31 mph (50 km/h), it can be
reactivated manually.
Under-inflationFixed.
The pressure in one or more tyres is too
low.
Check the pressure of the tyres as soon as
possible.
Reinitialise the detection system after adjusting
the pressure.
Under-inflation warning lamp
flashing then fixed and Service
warning lamp fixed.
The tyre pressure monitoring system is faulty.
Under-inflation detection is no longer monitored.
Check the tyre pressures as soon as possible
and carry out (3).
Engine preheating (Diesel)Temporarily on (up to approximately 30 seconds in
severe weather conditions).
When switching on the ignition, if the weather
conditions and the engine temperature make it
necessary.
Wait until the warning lamp goes off before
starting.
When the warning lamp goes off, starting will
occur immediately if you press and hold:
–

the clutch pedal with a manual gearbox. –


the brake pedal with an automatic gearbox.
If the engine does not start, make the engine
starting request again, while keeping your foot
on the pedal.
Particle filter (Diesel)Fixed, accompanied by an audible signal
and a message about the risk of particle
filter blockage.
The particle filter is nearing saturation.
As soon as traffic conditions permit, regenerate
the filter by driving at a speed of at least 37
mph
(60

km/h) until the warning lamp goes off.
Diesel fuel filter (Diesel)Fixed.
The Diesel fuel filter contains water.
Carry out (2) without delay. Risk of damaging the
fuel injection system!
AirbagsFixed, associated with the Service
warning lamp and accompanied by
the display of a message.
One of the airbags or seat belt pyrotechnic
pretensioners is faulty.
Carry out (3).
Front passenger airbag (ON)Fixed.
The front passenger airbag is activated.
The control is set to the "ON" position.
In this case, do not install a "rearward facing"
child seat on the front passenger seat - risk
of serious injury!

17
Dashboard instruments
1Front passenger airbag (OFF)Fixed.
The front passenger airbag is deactivated.
The control is set to the “OFF ” position.
A "rearward facing" child seat can be installed,
unless there is a fault with the airbags (Airbags
warning lamp on).
Low fuel level (Petrol or Diesel)Fixed, with the reserve level shown in red,
accompanied by an audible signal and
the display of a message.
When it first comes on, you have approximately
6 litres of fuel remaining in the tank (reserve).
Until the fuel level is topped up, this alert will
be repeated every time the ignition is switched
on, with increasing frequency as the fuel level
decreases and approaches zero.
Refuel without delay to avoid running out of fuel.
Never drive until completely empty, as
this could damage the emissions control and
injection systems.
Low traction battery level (Electric)
Fixed, accompanied by an audible signal.
The state of charge of the traction battery
is low.
View the remaining range.
Put the vehicle on charge as soon as possible.
Tortoise mode with limited driving range
(Electric)
Fixed.
The state of charge of the traction battery
is critical. The engine power gradually decreases.
You must put the vehicle on charge.
If the warning lamp remains lit, carry out
(2).
Pedestrian horn (Electric)Fixed.
Horn fault detected.
Carry out (3).
Collision Risk Alert/Active Safety BrakeFixed, accompanied by the display of a
message.
The system has been deactivated via the touch
screen.
Flashing.
The system activates and brakes the
vehicle momentarily to reduce the speed of
collision with the vehicle in front.
For more information, refer to the Driving
section.
Fixed, accompanied by a message and
an audible signal.
The system has a fault.
Carry out (3).
Fixed.
The system has a fault.
If these warning lamps come on after the engine
is switched off and then restarted, carry out (3).
Fixed.
The system is deactivated
temporarily because the driver and/or front
passenger (depending on version) has been
detected as present but the corresponding seat
belt has not been fastened.
Lane keeping assistFixed.
The system has been automatically
deactivated or placed on standby.
Flashing.
You are about to cross a broken
lane marking without operating the direction
indicators.
The system is activated, then corrects the
trajectory if it detects a risk of unintentionally
crossing a line or hard shoulder (depending on
version).
For more information, refer to the Driving
section.
Fixed.
The system has a fault.
Carry out (3).
Lane positioning assistFixed, accompanied by the
Service warning lamp.
The system has a fault.
Carry out (3).
Stop & Start (Petrol or Diesel)Fixed, accompanied by the display of a
message.
The Stop & Start system has been deactivated
manually.
The engine will not switch off at the next traffic
stop.
Reactivate the system via the touch screen.

18
Dashboard instruments
Fixed.
The Stop & Start system has been
deactivated automatically.
The engine will not switch off at the next traffic
stop, if the exterior temperature is:
–

below 0°C.
–


above +35°C.
For more information, refer to the

Driving
section.
Flashing then fixed, accompanied by a
message.
The system has a fault.
Carry out (3).
AdBlue® (BlueHDi)On for around 30 seconds when starting
the vehicle, accompanied by a message
indicating the driving range.
The driving range is between 1,500 and 500
miles (2,400 and 800
km).
Top up the AdBlue
®.Fixed, on switching on the ignition,
accompanied by an audible signal and a
message indicating the driving range.
The driving range is between 500 and 62 miles
(800 and 100
km).
Promptly top up the AdBlue
®, or carry out (3).Flashing, accompanied by an audible
signal and a message indicating the
driving range.
The driving range is less than 62 miles (100
km).
You must top up the AdBlue
® to avoid engine
starting being prevented , or carry out
(3).
Flashing, accompanied by an audible
signal and a message indicating that
starting is prevented.
The AdBlue
® tank is empty: the legally required
engine immobiliser system prevents the engine
from starting.
To restart the engine, top up the AdBlue
® or carry
out (2).
It is essential to add at least 10

litres of AdBlue
®
to the tank.
SCR emissions control system (BlueHDi)Fixed when the ignition is switched
on, accompanied by an audible
signal and a message.
A malfunction of the SCR emissions control
system has been detected.
This alert disappears once the exhaust
emissions return to normal levels.
Flashing AdBlue® warning lamp on
switching on the ignition, with the
Engine self-diagnostics warning lamp on fixed,
accompanied by an audible signal and a
message indicating the driving range.
Depending on the message displayed, it is
possible to drive for up to 685 miles (1,100
km)
before the engine immobiliser is triggered.
Carry out (3) without delay, to avoid starting
being prevented.
Flashing AdBlue® warning lamp on
switching on the ignition, with the
Engine self-diagnostics warning lamp on fixed, accompanied by an audible signal and a
message indicating that starting is prevented.
The engine immobiliser prevents the engine from
restarting (the permitted driving limit has been
exceeded after confirmation of a malfunction of
the emissions control system).
To start the engine, carry out (2).
Foot on the clutch (Petrol or Diesel)Fixed.
Stop & Start: the change to START mode
is rejected because the clutch pedal is not fully
depressed.
Fully depress the clutch pedal.
Foot on the brakeFixed.
Insufficient or no pressure on the brake
pedal.
Rear foglampFixed.
The lamp is on.
Automatic headlamp dippingFixed, accompanied by an audible signal
and a message.
A function or camera malfunction is detected.
Carry out (2).
Green warning/indicator lamps
Stop & Start (Petrol or Diesel)
Fixed.
When the vehicle stops, the Stop & Start
system puts the engine into STOP mode.

20
Dashboard instruments
The value indicated is calculated according to the distance covered and
the time elapsed since the last service.
The alert may also be triggered close to a
due date.
Service spannerOn temporarily when the ignition is
switched on.
Between 620 and 1,860 miles (1,000 and 3,000
km) remain before the next service is due.
Fixed, when the ignition is switched on.
The next service is due in less than 620
miles (1,000 km).
Have your vehicle serviced very soon.
Service spanner flashingFlashing then fixed, when the
ignition is switched on.
(With

BlueHDi Diesel engines, associated with
the Service warning lamp.)
The servicing interval has been exceeded.
Have your vehicle serviced as soon as possible.
Resetting the service indicator
The service indicator must be reset after each
service.
If you have serviced your vehicle yourself:
►

Switch the ignition off.




► Press and hold the button located on the end
of the lighting control stalk.
►

Switch on the ignition without starting the
engine; a temporary

display window appears and
a countdown begins.
►

When the display indicates =0, release the
lighting control stalk button; the spanner symbol
disappears.
If you disconnect the battery following
this operation, lock the vehicle and wait
at least 5 minutes for the reset to be
registered.
Reminder of the servicing information
With Touch screen BLUETOOTH audio
system or MyCitroën Play
Servicing information is accessible by
pressing the " Check" button in the
Driving touch screen menu.
With MyCitroën Drive
Servicing information is accessible by
pressing the " Check" button in the
Vehicle touch screen menu.
With MyCitroën Drive Plus
Servicing information is accessible using
the Settings > Vehicle application on the
touch screen.
►

Then select
Safety > Diagnostics.
Engine oil level indicator
(Depending on version)
On versions fitted with an electric gauge, the
engine oil level status is displayed on the
instrument panel for a few seconds when
the ignition is switched on, after the servicing
information.
The level read will only be correct if the vehicle is on level ground and the engine
has been off for more than 30 minutes.
Oil level correct
This is indicated by the display of " OIL OK" or by
the message "Oil level correct" (depending on
the instrument panel).
Low oil level
This is indicated by the display of " OIL" or by
the message "Oil level incorrect" (depending
on the instrument panel), accompanied by the
lighting of the Service warning lamp and an
audible signal.

21
Dashboard instruments
1If a low oil level is confirmed by a check using
the dipstick, the level must be topped up to avoid
damage to the engine.
For more information on Checking levels, refer
to the corresponding section.
Oil gauge malfunction
This is indicated by the display of " OIL_ _"
or by the message "Oil level measurement
invalid " (depending on the instrument panel),
accompanied by the lighting of the Service
warning lamp and an audible signal.
Contact a CITROËN dealer or a qualified
workshop.
In the event of a malfunction of the
electric gauge, the oil level is no longer
monitored.
If the system is faulty, you must check the
engine oil level using the manual dipstick
located in the engine compartment.
For more information on Checking levels,
refer to the corresponding section.
Coolant temperature
indicator
Depending on the type of instrument panel, this
information is only available in the instrument
panel's personalisable area.


With the engine running:
– In zone A, the temperature is correct.
–

In zone
B, the temperature is too high. The
associated warning lamp and the STOP
warning
lamp light up in red on the instrument panel,
accompanied by the display of a message and
an audible signal.
You must stop the vehicle as soon as it is
safe to do so.
Wait a few minutes before switching off the
engine.
After switching off the ignition, carefully open the bonnet and check the coolant
level.
For more information on Checking
levels, refer to the corresponding
section.
AdBlue® range indicators
(BlueHDi)
The Diesel BlueHDi engines are equipped with
a system that associates the SCR (Selective
Catalytic Reduction) emissions control system
and the Diesel particle filter (DPF) for the
treatment of exhaust gases. They cannot
function without AdBlue
® fluid.
When the level of AdBlue® falls below the
reserve level (between 1,500 and 0 miles (2,400
and 0

km)), a warning lamp lights up when
the ignition is switched on and an estimate
of the distance that can be travelled before
engine starting is prevented is displayed in the
instrument panel.
The engine starting prevention system required by regulations is activated
automatically once the AdBlue
® tank is empty.
It is then no longer possible to start the
engine until the minimum level of AdBlue
® has
been topped up.
Manual display of driving range
While the driving range is greater than
1,500 miles (2,400 km), it is not displayed
automatically.

22
Dashboard instruments
With Touch screen BLUETOOTH audio
system or MyCitroën Play
Driving range information is accessible by
pressing the "Check" button in the
Driving touch screen menu.
With MyCitroën Drive
Driving range information is accessible by
pressing the " Check" button in the
Vehicle touch screen menu.
With MyCitroën Drive Plus
Driving range information is accessible
using the Settings > Vehicle application
on the touch screen.
►

Then select
Safety > Diagnostics.
Actions required related to a lack of AdBlue®
The following warning lamps light up when the
quantity of AdBlue® is below the reserve level:
driving range of 1,500 miles (2,400 km).
Together with the warning lamps, messages
regularly remind you of the need to top up to
avoid engine starting being prevented. Refer to
the Warning and indicator lamps section for
details of the messages displayed.
For more information on AdBlue®
(BlueHDi) and in particular on topping
up, refer to the corresponding section.
Warning/ indicator
lamps on Action Remaining
range


Top up. Between 1,500 miles
and 500
miles (2,400
km and 800
km)


Top up as
soon as
possible.Between
500 miles
and 62
miles (800
km and
100
km)


A top-up is
vital, there is
a risk that the
engine will
be prevented
from starting.Between 62
miles and 0
miles (100
km and 0
km)


To be able
to restart the
engine, add at
least 10
litres
of AdBlue
® to
the tank. 0 miles (km)
Taking into account of top-up
Top-up detection may not be
instantaneous after addition. It may take a few
minutes of driving before the top-up detection
is effective.
Malfunction of the SCR emissions
control system
Malfunction detection


If a malfunction is detected,
these warning lamps come
on, accompanied by an
audible signal and the
display of an " Emissions
control
fault" message.
The alert is triggered while driving when the
fault is detected for the first time, and thereafter
when switching on the ignition for subsequent
journeys, for as long as the cause of the fault
persists.
If the fault is temporary, the alert
disappears during the next journey, after
self-diagnostic checks of the SCR emissions
control system.
Malfunction confirmed during the
permitted driving phase (between 685
miles and 0
miles (1,100 km and 0 km))
If the fault indication is still displayed
permanently after 31 miles (50 km) of driving, the
fault in the SCR system is confirmed.
The AdBlue warning lamp flashes and
a message is displayed (" Emissions

23
Dashboard instruments
1control fault: starting prevented in X miles
(kms) "), indicating the driving range in miles or
kilometres.
While driving, the message is displayed every 30
seconds. The alert is repeated when switching
on the ignition.
You can continue driving for up to 685 miles
(1,100
km) before the engine starting
prevention system is triggered.
Have it checked by a CITROËN dealer or
a qualified workshop.
Starting prevented
Every time the ignition is switched on, the
message "Emissions control fault: Starting
prevented" is displayed.
To restart the engine
Contact a CITROËN dealer or a qualified
workshop.
Power indicator (Electric)

CHARGE
Traction battery charging during deceleration
and braking.
ECO
Moderate energy consumption and optimised
driving range.
POWER
Energy consumption by the drive train during
acceleration.
Charge level indicator
(Electric)


The traction battery's actual charge level and
the remaining range are displayed continuously
when the vehicle is started.
With the ignition off, opening the driver's
door activates the indicator.
Associated warning lamps
Two successive alert levels indicate that the
energy available has dropped to a low level:
1st level: Reserve
The state of charge of the traction battery is low.
Fixed, accompanied by an audible signal.
►

V

iew the remaining range on the instrument
panel.
►

Put the vehicle on charge as soon as
possible.
2nd level: Critical
The state of charge of the traction battery is critical.
Fixed, together with the reserve warning lamp,
accompanied by an audible signal.
►

Y

ou must put the vehicle on charge.
The remaining range is no longer calculated. The drive train power
gradually decreases.
The heating and air conditioning are switched
off (even if the thermal comfort consumption
indicator is not at the "ECO" level).
Flow indicator (Electric)
The flow indicator displays the energy flows in
the vehicle in real time.
With MyCitroën Play or MyCitroën Drive
It is available in the " Personal 1"/"Personal 2"
display modes of the instrument panel.

24
Dashboard instruments
With MyCitroën Drive Plus

The indicator changes colour depending on how
energy from the traction battery is being used:
–
Blue: energy consumption.
–


Green: energy recovery
.
This indicator does not represent the battery's actual level of charge.
Thermal comfort
consumption indicator
(Electric)
(Depending on version)
It is available in the display pages of the
instrument panel.


The gauge shows the consumption of the
traction battery's electrical energy by the thermal
comfort devices in the passenger compartment.
The devices in question are the heating and air
conditioning systems.
This equipment can be used:
–

If the vehicle is not plugged in, when the
READY

lamp is lit.
–

If the vehicle is plugged in, when the ignition is
switched on ("Lounge" mode).
Selecting ECO

mode limits the performance of
some of this equipment. The thermal comfort
consumption indicator then moves into the
"ECO" zone.
To quickly heat or cool the passenger compartment, feel free to temporarily
select the maximum heating or cooling
setting.
When the heating is on maximum, the gauge
on the thermal comfort consumption indicator
is in the MAX zone. When the air conditioning
is on maximum, it stays in the ECO zone.
Excessive use of thermal comfort equipment,
particularly at low speed, can significantly
decrease the vehicle's range.
Remember to optimise equipment settings
upon achieving the desired level of comfort,
and adjust them if necessary whenever you
start the vehicle.
After an extended period without using the
heating, you may notice a slight odour during
the first few minutes of use.
Manual test
This function allows you to check certain
indicators and display the alerts log.
With Touch screen BLUETOOTH audio
system or MyCitroën Play
It can be accessed via the "Check" button
in the Driving touch screen menu.
With MyCitroën Drive
It can be accessed via the "Check" button
in the Vehicle touch screen menu.
With MyCitroën Drive Plus
It can be accessed via the Settings>
Vehicle touch screen application.
►

Select
Safety > Diagnostics.
The following information is displayed on the
instrument panel:
–

T

yre pressures.
–

Engine oil level (depending on engine).
–


Next service due.
–


Driving range associated with the
AdBlue
® and
the SCR system (BlueHDi

Diesel).
–

Current alerts.
This information is also displayed automatically every time the ignition is
switched on.