Page 25 of 436

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Warning/indicator lampis on Cause Action/Observations
Battery charge fixed. The battery charging circuit has a fault
(dirty or loose terminals, slack or cut
alternator belt, ...). The warning lamp should go off when the engine is
started.
If it does not go off, contact a CITROËN dealer or a
qualified workshop.
Braking 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.
+ fixed, associated with
the STOP and ABS
warning lamps.The electronic brake force distribution
(EBFD) system has a fault.
You must stop as soon as it is safe to do so.
Have it checked by a CITROËN dealer or a qualified
workshop.
Monitoring
Page 26 of 436

DS4_en_Chap01_controle-de-marche_ed03-2015
Warning/indicator lampis on Cause Action/Observations
Electric parking
brake flashing.
The electric parking brake is not
applied automatically.
The application/release is faulty. You must stop as soon as it is safe to do so.
Park on flat level ground, engage a gear (or place the
lever in position P for an automatic gearbox), switch
off the ignition and contact a CITROËN dealer or a
qualified workshop.
Electric parking
brake fault fixed.
The electric parking brake has a fault. Contact a CITROËN dealer or a qualified workshop
without delay.
For more information on the electric parking brake,
refer to the corresponding section.
d
oor(s) open fixed, associated with
a message identifying
the door, if the speed is
below 6 mph (10 km/h). A door or the boot is still open. Close the door or boot.
fixed, associated with a
message identifying the
door, together with an
audible signal if the speed
is above 6 mph (10 km/h).
* Depending on country of sale.
Seat belt not
fastened /
unfastened*
fixed, then flashing,
accompanied by an
increasing audible
signal. The driver or front passenger has not
buckled or has unbuckled their seat
belt.
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.
At least one rear passenger has
unbuckled their seat belt.
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DS4_en_Chap01_controle-de-marche_ed03-2015
Servicetemporarily,
accompanied by a
message. One or more minor faults for
which there is no specific
warning lamp have been
detected. Identify the cause of the fault using the message displayed
in the screen.
You can deal with some problems yourself, such as a door
open or the start of saturation of the particle filter
(as soon as the traffic conditions allow, regenerate the
filter by driving at a speed of at least 40 mph (60 km/h),
until the warning lamp goes off).
For any other problems, such as a fault with the tyre under
inflation detection system, contact a CITROËN dealer or a
qualified workshop.
fixed, accompanied by
a message. One or more major faults for which
there is no specific warning lamp
have been detected. Identify the cause of the fault using the message displayed
in the screen; you must then contact a CITROËN dealer or
a qualified workshop.
fixed, associated with the
flashing and then fixed
display of the service
indicator spanner.The servicing interval has been
exceeded.
Only on BlueHDi Diesel versions.
Your vehicle must be serviced as soon as possible.
Warning
/indicator lampis on Cause Action/Observations
Particle filter
(
d
iesel) fixed, accompanied
by an audible signal
message on the risk of
blockage of the particle
f i l t e r. This indicates that the particle
filter is starting to become
saturated.
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.
fixed, accompanied by
an audible signal and
and a message that the
particle filter additive
level is too low. This indicates the low level of the
additive reservoir.
Have the reservoir topped up as soon as possible by a
CITROËN dealer or a qualified workshop.
Monitoring
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DS4_en_Chap01_controle-de-marche_ed03-2015
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.
dy
namic stability
control
(
dS
C/ASR) flashing.
Regulation by the system is active. The system optimises traction and improves the
directional stability of the vehicle.
fixed, associated with
illumination of the
indicator lamp in the
deactivation button,
accompanied by an
audible signal and a
message. The DSC/ASR or hill start assist
system has a fault.
Have it checked by a CITROËN dealer or a qualified
workshop.
Engine
autodiagnosis
system
flashing.
The engine management system has
a fault. Risk of destruction of the catalytic converter.
Have it checked by a CITROËN dealer or a qualified
workshop.
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.
Low fuel level fixed, accompanied by
and audible signal and
a message. When it first comes on there remains
approximately
6 litres of fuel in the
tank.
At this point, you begin to use the fuel
reserve. Refuel as soon as possible to avoid running out of fuel.
Until sufficient fuel is added, this warning lamp will
come on every time the ignition is switched on,
accompanied by an audible signal and a message.
This audible signal and message are repeated
with increasing frequency as the fuel level drops
towards
"0".
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.
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DS4_en_Chap01_controle-de-marche_ed03-2015
Power steeringfixed. The power steering has a fault. Drive carefully at reduced speed.
Have it checked by a CITROËN dealer or a qualified
workshop.
Under-inflation 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.
+ flashing then fixed,
accompanied by the
Service warning lamp.The tyre pressure monitoring system
has a fault or no sensor is detected
on one of the wheels. Under-inflation detection is not assured.
Have the system checked by a CITROËN dealer or a
qualified workshop.
di
rectional
headlamps flashing.
The directional headlamps system
has a fault. Have it checked by a CITROËN dealer or a qualified
workshop.
Warning
/indicator lampis on Cause Action/Observations
Foot on the brake
pedal fixed.
With an automatic gearbox, you have
forgotten to press the brake pedal to
come out of the P postion. With the engine running, before releasing the parking
brake you must press the brake pedal to unlock the
the automatic gear selector lever and come out of
the
P
p
osition.
Airbags temporarily. 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.
fixed. One of the airbag or seat belt
pretensioner systems has a fault. Have it checked by a CITROËN dealer or a qualified
workshop.
Monitoring
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DS4_en_Chap01_controle-de-marche_ed03-2015
Warning/indicator lampis on Cause Action/Observations
AdBlue
® additive
(BlueH
d i d iesel) fixed, on switching
on the ignition,
accompanied by an
audible signal and a
message indicating the
remaining driving range. The remaining driving range is
between 350 miles (600 km) and
1500 miles (2400 km).
Have the AdBlue® additive tank topped up as soon
as possible: go to a CITROËN dealer or a qualified
workshop, or carry out this operation yourself.
+ flashing associated with
the SERVICE warning
lamp, accompanied by
an audible signal and a
message indicating the
remaining driving range.The remaining driving range is
between 0 and 350 miles (600 km).
You must top-up the AdBlue
® additive tank to avoid
a breakdown : go to a CITROËN dealer or a qualified
workshop, or carry out this operation yourself.
flashing, associated
with the SERVICE
warning lamp,
accompanied by an
audible signal and a
message indicating that
starting is prevented. The AdBlue
® tank is empty: the
starting inhibition system required
by legislation prevents starting of the
engine. To be able to start the engine, you must top-up the
AdBlue® additive tank: go to a CITROËN dealer or
a qualified workshop, or carry out this operation
yourself.
It is essential to add at least 3.8 litres of AdBlue
® to
the additive tank.
For topping-up or for more information on the AdBlue
® additive, refer to the corresponding section.
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Warning/indicator lampis on Cause Action/Observations
+
+ SCR emissions
control system
(BlueH
d i d iesel)fixed, on switching on
the ignition, associated
with the SERVICE and
engine diagnostic warning
lamps, accompanied by
an audible signal and a
message. A fault with the SCR emissions
control system has been detected.
This alert disappears once the exhaust emissions
return to normal levels.
flashing, on switching on
the ignition, associated
with the SERVICE and
engine diagnostic warning
lamps, accompanied by
an audible signal and a
message indicating the
remaining driving range. After confirmation of the fault with the
emissions control system, you can
drive for up to 650 miles (1 100 km)
before the engine starting inhibition
system is triggered.
Contact a CITROËN dealer or a qualified
workshop without delay
, to avoid a breakdown.
flashing, on switching on
the ignition, associated
with the SERVICE and
engine diagnostic warning
lamps, accompanied by
an audible signal and a
message. You have exceeded the authorised
driving limit following confirmation
of a fault with the emissions control
system: the engine starting inhibition
system prevents starting of the
engine.
To be able to start the engine, you must
call on a
CITROËN dealer or a qualified workshop.
Monitoring
Page 32 of 436

DS4_en_Chap01_controle-de-marche_ed03-2015
Warning/indicator lampis on Cause Action/Observations
Left-hand
direction indicator flashing with buzzer.
The lighting stalk is pushed down.
Right-hand
direction indicator flashing with buzzer.
The lighting stalk is pushed up.
Sidelamps fixed. The lighting stalk is in the "Sidelamps"
position.
di
pped beam
headlamps fixed.
The lighting stalk is in the "Dipped
beam headlamps" position or in the
"AUTO" position in conditions of low
light.
Main beam
headlamps fixed.
The lighting stalk is pulled towards
you. Pull the stalk again to return to dipped beam
headlamps.
Front foglamps fixed. The front foglamps are switched on
using the ring on the lighting control
stalk. Turn the ring on the lighting control stalk rear ward
twice to switch off the front foglamps.
Rear foglamps fixed. The rear foglamps are on. Turn the ring on the stalk rear ward to switch off the
rear foglamps.
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.
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 screen.