Get Dashboard instruments -> Warning and indicator lamps Guide for Citroen C4 SUV Third Generation (2020-2025)

Dashboard instruments

In certain extreme weather conditions

(rain and/or snow, bright sunshine, etc.),

the head-up display may not be legible or

may suﬀer temporary interference.

Some sunglasses may hamper reading of the

information.

To clean the projection blade, use a clean,

soft cloth (such as a spectacles cloth or

microﬁbre cloth). Do not use a dry or abrasive

cloth, or detergent or solvent products, due to

the risk of scratching the projection blade or

damaging the non-reﬂective coating.

When the ignition is switched on

List of warning and

indicator lamps

1

Certain red or orange warning lamps come on

for a few seconds when the ignition is switched

on. These warning lamps should go oﬀ as soon

as the engine is started.

For more information on a system or a function,

refer to the corresponding section.

Red warning/indicator lamps

STOP

Fixed, associated with another warning

lamp, accompanied by the display of a

message and an audible signal.

A serious fault with the engine, braking system,

power steering or automatic gearbox or a major

electrical fault has been detected.

Carry out (1) and then (2).

Persistent warning lamp

If a red or orange warning lamp comes on, there

may be fault which needs further investigation.

If a lamp remains lit

Engine self-diagnostics system (Petrol or

Diesel)

The references (1), (2) and (3) in the warning

and indicator lamp description indicate whether

you should contact a qualiﬁed professional in

addition to the immediate recommended actions.

(1): You must stop the vehicle.

Stop as soon as it is safe to do so and switch oﬀ

the ignition.

(2): Contact a CITROËN dealer or a qualiﬁed

workshop.

(3): Visit a CITROËN dealer or a qualiﬁed

workshop.

Warning and indicator

lamps

Displayed as symbols, the warning and indicator

lamps inform the driver of the occurrence of a

malfunction (warning lamps) or of the operating

status of a system (operation or deactivation

indicator lamps). Certain lamps light up in two

ways (ﬁxed or ﬂashing) and/or in several colours.

Fixed.

A major engine fault has been

detected.

Carry out (1) and then (2).

Maximum coolant temperature

Fixed.

The temperature of the cooling system is

too high.

Carry out (1), then wait until the engine has

cooled down before topping up the level, if

necessary. If the problem persists, carry out (2).

Associated warnings

The illumination of a lamp may be accompanied

by an audible signal and/or a message displayed

in a screen.

Relating the type of alert to the operating status

of the vehicle allows you to determine whether

the situation is normal or whether a fault has

occurred: refer to the description of each lamp

for further information.

Engine oil pressure (Petrol or Diesel)

Fixed.

There is a fault with the engine lubrication

system.

Carry out (1) and then (2).

13

Dashboard instruments

System malfunction (Electric)

Fixed.

A fault involving the electric motor or

traction battery has been detected.

Carry out (1) and then (2).

Braking

Fixed.

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.

Door(s) open

Fixed, 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.

Cable connected (Electric)

Fixed when the ignition is switched on.

The charging cable is connected to the

vehicle's connector.

Seat belts not fastened/unfastened

Fixed or ﬂashing, accompanied by an

increasing audible signal.

The electronic brake force

distribution (EBFD) system is faulty.

Carry out (1) and then (2).

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.

A seat belt has not been fastened or has been

unfastened.

Manual parking brake (depending on

version)

Orange warning/indicator lamps

Service

Fixed.

Temporarily on, accompanied by the

display of a message.

Disconnect the charging cable and close the

ﬂap.

The parking brake is applied or not

properly released.

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).

Fixed.

12 V battery charge

The parking brake is applied or not

properly released.

Fixed.

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).

Electric parking brake

Fixed.

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).

14

Dashboard instruments

► Depress and hold the brake pedal.

► Pull the control in the application direction for

2 seconds.

Fixed, accompanied by the message

"Parking brake fault".

Automatic release of the electric parking brake is

unavailable.

Fixed, accompanied by the

message "Parking brake

1

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.

► Release the control and the brake pedal.

Carry out (2).

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).

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.

Power steering

Only with BlueHDi Diesel engines.

Fixed.

Braking

The power steering has a fault.

Drive carefully at moderate speed, then carry

out (3).

► 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.

Fixed.

A minor fault with the braking system has

been detected.

Drive carefully.

Engine self-diagnostic system (Petrol or

Diesel)

Then carry out (2).

Carry out (3).

Flashing.

Automatic functions deactivated (electric

parking brake)

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).

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.

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.

► Take your foot fully oﬀ the brake pedal.

► Hold the control pressed in the release

direction for between 10 and 15 seconds.

► Release the control.

Carry out (3) without delay.

15

Dashboard instruments

Engine self-diagnostics system (Petrol or

Diesel)

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.

– 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.

Fixed.

A minor engine fault has been

detected.

Carry out (3).

Particle ﬁlter (Diesel)

Under-inﬂation

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.

Dynamic stability control (DSC)/Anti-slip

regulation (ASR)

Fixed.

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).

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).

Diesel fuel ﬁlter (Diesel)

Fixed.

The Diesel fuel ﬁlter contains water.

Carry out (2) without delay. Risk of damaging the

fuel injection system!

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).

Airbags

Fixed, 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.

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.

Hill start assist

Fixed, accompanied by the

message "Anti roll-back system

fault".

The system has a fault.

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!

Dynamic stability control (DSC)/Anti-slip

regulation (ASR)

When the warning lamp goes oﬀ, starting will

occur immediately if you press and hold:

– the clutch pedal with a manual gearbox.

Fixed.

The system is deactivated.

16

Dashboard instruments

Front passenger airbag (OFF)

Fixed.

The engine power gradually decreases.

You must put the vehicle on charge.

If the warning lamp remains lit, carry out (2).

Lane keeping assist

1

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).

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.

Pedestrian horn (Electric)

Fixed.

Horn fault detected.

Carry out (3).

Low fuel level (Petrol or Diesel)

Collision Risk Alert/Active Safety Brake

Fixed, accompanied by the display of a

message.

The system has been deactivated via the touch

screen.

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.

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.

Fixed.

The system has a fault.

Carry out (3).

Lane positioning assist

Fixed, accompanied by the

Service warning lamp.

The system has a fault.

Carry out (3).

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.

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.

Stop & Start (Petrol or Diesel)

Fixed, accompanied by the display of a

message.

The Stop & Start system has been deactivated

manually.

The system is deactivated

The engine will not switch oﬀ at the next traﬃc

stop.

Reactivate the system via the touch screen.

Tortoise mode with limited driving range

(Electric)

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.

Fixed.

The state of charge of the traction battery

is critical.

17

Dashboard instruments

Fixed.

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.

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).

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.

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.

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.

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.

Fully depress the clutch pedal.

Foot on the brake

Fixed.

Insuﬃcient or no pressure on the brake

This alert disappears once the exhaust

emissions return to normal levels.

pedal.

Rear foglamp

Fixed.

Flashing AdBlue^®warning lamp on

switching on the ignition, with the

The lamp is on.

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.

Automatic headlamp dipping

Fixed, 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.

Flashing AdBlue^®warning lamp on

switching on the ignition, with the

Engine self-diagnostics warning lamp on ﬁxed,

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).

18

Dashboard instruments

Fully depress the clutch pedal.

Flashing temporarily.

Direction indicators

Flashing with audible signal.

The direction indicators are on.

Sidelamps

1

STOP mode is momentarily unavailable

or START mode is automatically triggered.

For more information, refer to the Driving

section.

Foot on the brake

Fixed.

Insuﬃcient or no pressure on the brake

Fixed.

pedal.

Vehicle ready to drive (Electric)

Fixed, accompanied by an audible signal

when it comes on.

The lamps are on.

Fuel ﬁlter (Diesel)

Dipped beam headlamps

Fixed.

The Diesel fuel ﬁlter contains water.

The vehicle is ready to drive and the thermal

comfort systems are available.

The lamps are on.

Carry out (2) without delay. Risk of damaging the

fuel injection system!

Automatic headlamp dipping

The indicator lamp goes out upon reaching a

speed of approximately 3 mph (5 km/h) and

lights up again when the vehicle stops moving.

The lamp will go out when you switch oﬀ the

motor and exit the vehicle.

Fixed.

The function has been activated

Indicators

via the touch screen.

The lighting control stalk ring is in the “AUTO”

position.

For more information, refer to the Lighting and

visibility section.

Service indicator

The servicing information is expressed in terms

of distance (miles or kilometres) and time

(months or days).

The alert is given at whichever of these two

terms is reached ﬁrst.

The servicing information is displayed in the

instrument panel. Depending on the version of

the vehicle:

– The distance recorder display line indicates

the distance remaining before the next service

is due, or the distance travelled since it was due

preceded by the "-" sign.

– An alert message indicates the distance

remaining, as well as the period before the next

service is due or how long it is overdue.

Seat occupied/Seat belt fastened

Fixed.

With the ignition on, the driver or a

passenger has fastened their seat belt.

Front foglamps

Fixed.

Park Assist

The front foglamps are on.

Fixed.

Blue warning/indicator lamps

The function is active.

For more information, refer to the Driving

section.

Main beam headlamps

Fixed.

The lamps are on.

Lane positioning assist

Fixed.

The function has been activated.

All conditions have been met: the system is

operating.

Black/white warning lamps

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.

For more information, refer to the Driving

section.

19

Dashboard instruments -> Warning and indicator lamps for Your Citroen C4 SUV Third Generation (2020-2025)

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