2021-2025 Citroen Ds4 SUV Instruments and controls -> Warning and indicator lamps User Manual
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Instruments and controls -> Warning and indicator lamps for Your Citroen Ds4 SUV Second Generation (2021-2025)

41  
Monitoring  
Warning and indicator lamps  
When the ignition is switched on  
Associated warnings  
Certain warning lamps come on for a few  
seconds when the ignition is switched on.  
When the engine is started, these warning  
lamps should go off.  
If they remain on, before moving off, refer to the  
information on the warning lamp in question.  
The illumination, fixed or flashing, of certain  
warning lamps may be accompanied by  
an audible signal and a message in the  
multifunction screen or in the central colour  
screen associated with the satellite navigation  
system.  
Visual indicators which inform the driver of the  
occurrence of a malfunction (warning lamp)  
or of the operation of a system (operation or  
deactivation indicator lamp).  
 
Warning lamps  
If your vehicle has a screen, a warning lamp coming on is always accompanied by the  
display of an additional message, to assist you in identifying the problem.  
If you encounter any problems, do not hesitate to contact a CITROËN dealer or a qualified  
workshop.  
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 part of the driver.  
The warning comes on in the instrument  
panel or appears in the central colour screen  
associated with the satellite navigation system.  
Warning lamp  
STOP  
is on  
Cause  
Action/Observations  
fixed, alone or  
associated with  
Illumination of this warning lamp is  
associated with a serious braking  
Stop as soon as it is safe to do so as there is a risk that  
the engine will cut out while driving.  
another warning lamp, system, power steering, engine  
Park, switch off the ignition and contact a CITROËN  
dealer or a qualified workshop.  
accompanied by an  
audible signal and a  
message in the screen.  
lubrication or cooling system  
malfunction or a punctured tyre.  
Maximum  
fixed red.  
The temperature of the cooling system Stop as soon as it is safe to do so.  
coolant  
is too high.  
Wait until the engine has cooled down before topping  
temperature  
up the level, if necessary.  
If the problem persists, contact a CITROËN dealer or  
qualified workshop.  
Engine oil  
pressure  
fixed.  
There is a fault with the engine  
lubrication system.  
You must stop as soon it is safe to do so.  
Park, switch off the ignition and contact a CITROËN  
dealer or a qualified workshop.  
 
43  
Monitoring  
Warning lamp  
Battery charge  
is on  
Cause  
Action/Observations  
fixed.  
The battery charging circuit has a fault The warning lamp should go off when the engine is  
(dirty or loose terminals, slack or cut  
alternator belt, ...).  
started.  
If it does not go off, contact a CITROËN dealer or a  
qualified workshop.  
fixed, associated with  
the STOP warning  
lamp.  
The braking system fluid level has  
dropped significantly.  
You must stop as soon as it is safe to do so.  
Top up with brake fluid recommended by CITROËN.  
If the problem persists, have the system checked by a  
CITROËN dealer or a qualified workshop.  
fixed, associated with  
the electric parking  
brake malfunction  
warning lamp, if the  
parking brake is  
released.  
The braking system has a fault.  
You must stop as soon as it is safe to do so.  
Park, switch off the ignition and contact a CITROËN  
dealer or a qualified workshop.  
Braking  
+
+
fixed, associated with  
the STOP and ABS  
warning lamps.  
The electronic brake force distribution You must stop as soon as it is safe to do so.  
(EBFD) system has a fault.  
Have it checked by a CITROËN dealer or a qualified  
workshop.  
 
Warning lamp  
Electric parking  
is on  
Cause  
Action/Observations  
flashing.  
The application or release of the  
You must stop as soon as it is safe to do so.  
brake  
electric parking brake was interrupted. Park on level ground, switch off the ignition and contact  
a CITROËN dealer or a qualified workshop.  
Electric  
parking brake  
malfunction  
fixed.  
The electric parking brake has a fault. Automatic application/release is no longer possible.  
Contact a CITROËN dealer or a qualified workshop  
without delay.  
The parking brake can be released manually using the  
emergency release procedure.  
+
For more information on the electric parking brake,  
refer to the "Driving" section.  
fixed if the speed is  
below 6 mph (10 km/h).  
fixed and accompanied  
by an audible signal  
if the speed is above  
6 mph (10 km/h).  
Door(s) open  
A door or the boot is still open.  
Close the door or boot.  
The driver or front passenger has not  
buckled or has unbuckled their seat  
belt.  
fixed, then flashing,  
accompanied by an  
increasing audible  
signal.  
Pull on the belt in question and insert the tongue in  
the buckle.  
This warning repeats the seat belt information given  
by the roof console warning lamps.  
Seat belt not  
fastened/  
unfastened*  
At least one rear passenger has  
unbuckled their seat belt.  
* According to country.  
 
45  
Monitoring  
Warning lamp  
is on  
Cause  
Action/Observations  
Identify the malfunction by reading the message  
temporarily,  
A minor malfunction has occurred  
accompanied by a  
message.  
for which there is no specific warning displayed in the screen, such as, for example:  
lamp.  
-
-
-
-
-
the opening of the doors, boot or bonnet,  
the engine oil level,  
the remote control battery,  
the tyre pressures,  
saturation of the particle emission filter on  
Diesel vehicles (see "Checks - § Checks/Particle  
emissions filter").  
Service  
For any other malfunctions, contact a CITROËN dealer  
or a qualified workshop.  
fixed, accompanied  
by a message and an  
audible signal.  
A major malfunction has occurred  
for which there is no specific warning displayed in the screen and contact a CITROËN dealer  
lamp.  
Identify the malfunction by reading the message  
or a qualified workshop.  
fixed, accompanied  
by an audible signal  
message on the risk of saturated.  
blockage of the particle  
emissions filter.  
This indicates that the particle  
emissions filter is starting to become  
As soon as driving conditions allow, regenerate the  
filter by driving at a speed of at least 35 mph (60 km/h)  
until the warning lamp goes off.  
Particle  
emissions filter  
(Diesel)  
fixed, accompanied by This indicates the low level of the  
Have the reservoir topped up as soon as possible by a  
CITROËN dealer or a qualified workshop.  
an audible signal and  
and a message that the  
particle emissions filter  
additive level is too low.  
additive reservoir.  
 
Warning lamp  
Engine  
is on  
Cause  
Action/Observations  
flashing.  
The engine management system has Risk of destruction of the catalytic converter.  
a fault.  
Have it checked by a CITROËN dealer or a qualified  
workshop.  
autodiagnosis  
fixed.  
fixed.  
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.  
system  
Low fuel level  
When it first comes on there remains  
You must refuel as soon as possible to avoid running  
approximately 6 litres of fuel in the out of fuel.  
tank.  
This warning lamp will come on every time the ignition  
is switched on, until a sufficient addition of fuel is  
made.  
Fuel tank capacity: approximately 60 litres.  
Never continue to drive until you run out of fuel as  
this could damage the emission control and injection  
systems.  
Anti-lock Braking fixed.  
System (ABS)  
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.  
flashing.  
The ESP/ASR regulation is active.  
The system optimises traction and improves the  
directional stability of the vehicle.  
Dynamic stability  
control  
(ESP/ASR)  
fixed.  
Unless it has been deactivated (button Have it checked by a CITROËN dealer or a qualified  
pressed and its indicator lamp on), the workshop.  
ESP/ASR or hill start assist system  
has a fault.  
 
47  
Monitoring  
Warning lamp  
Power steering  
is on  
Cause  
Action/Observations  
fixed.  
The power steering has a fault.  
Drive carefully at reduced speed.  
Have it checked by a CITROËN dealer or a qualified  
workshop.  
Under-inflated  
tyre  
fixed.  
fixed.  
The pressure in one or more wheels  
is too low.  
Check the pressure of the tyres as soon as possible.  
This check should preferably be carried out when  
the tyres are cold.  
The brake pedal is not pressed.  
With the 6-speed electronic gearbox system, press  
the brake pedal to start the engine (lever in position N).  
If you wish to release the parking brake without  
pressing the brake pedal, this warning lamp will  
remain on.  
Foot on the brake  
pedal  
flashing.  
With the 6-speed electronic gearbox  
system, if you hold the vehicle on an  
incline using the accelerator for too  
long, the clutch overheats.  
Use the brake pedal and/or the electric parking brake.  
temporarily.  
fixed.  
This lamp comes on for a few  
seconds when you turn on the  
ignition, then goes off.  
This lamp should go off when the engine is started.  
If it does not go off, contact a CITROËN dealer or a  
qualified workshop.  
Airbags  
One of the airbag or seat belt  
pretensioner systems has a fault.  
Have it checked by a CITROËN dealer or a qualified  
workshop.  
Directional  
headlamps  
flashing.  
The directional headlamps system  
has a fault.  
Have it checked by a CITROËN dealer or a qualified  
workshop.  
 
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 on the multifunction screen.  
Warning lamp  
Left-hand  
is on  
Cause  
Action/Observations  
flashing with buzzer.  
The lighting stalk is pushed down.  
direction indicator  
Right-hand  
flashing with buzzer.  
The lighting stalk is pushed up.  
direction indicator  
Hazard warning  
lamps  
flashing with audible  
signal.  
The hazard warning lamps switch,  
located on the dashboard, has been  
operated.  
The left-hand and right-hand direction indicators and  
their associated indicator lamps flash simultaneously.  
On vehicle where the daytime running lamps are deactivated,  
if the lighting control is in the "AUTO" position, the sidelamps  
come on as a luminous signature of the vehicle.  
Sidelamps  
fixed.  
fixed.  
The lighting control is in the  
"Sidelamps" position.  
Dipped beam  
headlamps  
The lighting stalk is in the "Dipped beam  
headlamps" position or in the "AUTO"  
position in conditions of low light.  
Main beam  
headlamps  
fixed.  
fixed.  
The lighting stalk is pulled towards  
you.  
Pull the stalk again to return to dipped beam  
headlamps.  
Front foglamps  
The front foglamps are switched on.  
Turn the ring on the stalk rearwards twice to switch off  
the front foglamps.  
Rear foglamps  
fixed.  
The rear foglamps are switched on.  
Turn the ring on the stalk rearwards to switch off the  
rear foglamps.  
 
49  
Monitoring  
Warning lamp  
Parking brake  
is on  
Cause  
Action/Observations  
fixed.  
The parking brake is applied or not  
properly released.  
Release the parking brake to switch off the warning  
lamp, keeping your foot on the brake pedal.  
Observe the safety recommendations.  
For further information on the parking brake, refer to  
the "Driving" section.  
Electric parking  
brake  
fixed.  
fixed.  
fixed.  
The electric parking brake is applied.  
Release the electric parking brake to switch off the  
warning lamp: with your foot on the brake pedal, pull  
the electric brake control.  
Observe the safety recommendations.  
For more information on the electric parking brake,  
refer to the "Driving" section.  
Deactivation of  
the automatic  
functions of the  
electric parking  
brake  
The "automatic application"  
(on switching off the engine) and  
"automatic release" functions are  
deactivated or faulty.  
Activate the function (according to country) via the  
vehicle configuration menu or contact a CITROËN  
dealer or a qualified workshop.  
Diesel engine  
pre-heating  
The ignition switch is at the  
2nd position (ignition on).  
Wait until the warning lamp goes off before starting.  
The period of illumination of the warning lamp is  
determined by the climatic conditions (up to about  
thirty seconds in extreme climatic conditions).  
If the engine does not start, switch the ignition off and  
then on, wait until the warning lamp goes off again,  
then start the engine.  
 
Warning lamp  
is on  
Cause  
Action/Observations  
Automatic wiping fixed.  
The wiper control is pushed  
downwards.  
Automatic front wiping is activated.  
To deactivate automatic wiping, operate the control  
stalk downwards or put the stalk into another position.  
Lighting dimmer fixed.  
The lighting dimmer is making an  
adjustment.  
You can adjust the level of illumination of the  
instruments between 1 and 16.  
Passenger's  
airbag system  
fixed in the seat belt  
The control switch, located in the glove  
box, has been placed in the "ON"  
position.  
The passenger's front airbag is activated.  
In this case, do not install a "rear facing"  
child seat.  
Move the control switch to the "OFF" position  
to deactivate the passenger's front airbag.  
In this case, you can install a "rear facing" child seat.  
and passenger's front  
airbag warning lamps  
display.  
fixed.  
When the vehicle stops (red lights,  
traffic jams, ...) the Stop & Start  
The warning lamp goes off and the engine restarts  
automatically in START mode, as soon as you want  
system has put the engine into STOP to move off.  
mode.  
Stop & Start  
flashes for a few  
seconds, then goes  
off.  
STOP mode is temporarily  
unavailable.  
or  
Refer to "Driving - § Stop & Start" for special cases  
with STOP mode and START mode.  
START mode is invoked  
automatically.  
Parking space  
sensors  
fixed.  
The parking space sensors function  
is selected.  
To start measurement, operate the direction indicator  
on the side of the space to be measured, and do not  
exceed 12 mph (20 km/h). A message is displayed  
once the measurement has been completed.  
 
51  
Monitoring  
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 on the multifunction screen.  
Warning lamp  
Passenger's  
is on  
Cause  
Action/Observations  
fixed in the instrument The control switch, located in the  
Set the control to the "ON" position to activate  
airbag system  
panel and/or seat belt  
and front passenger's  
airbag warning lamps  
display.  
glove box, is set to the OFF position.  
The passenger's front airbag is  
deactivated.  
the passenger's front airbag.  
In this case, do not fit a child seat in the rear-facing  
position.  
ESP/ASR  
fixed.  
The button, located at the bottom  
left of the dashboard, is pressed. Its  
indicator lamp is on.  
The ESP/ASR is deactivated.  
ESP: electronic stability programme.  
ASR: anti-slip regulation.  
Press the button to activate the ESP/ASR. Its indicator  
lamp goes off.  
The ESP/ASR system is activated automatically when  
the vehicle is started.  
If deactivated, the system is reactivated automatically  
from around 30 mph (50 km/h).  
 

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