Page 25 of 436

23
DS4_en_Chap01_controle-de-marche_ed03-2015
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 28 of 436

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.
Page 29 of 436

27
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
Page 30 of 436

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.
Page 31 of 436

29
DS4_en_Chap01_controle-de-marche_ed03-2015
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 33 of 436

31
DS4_en_Chap01_controle-de-marche_ed03-2015
Warning/indicator lampis on Cause Action/Observations
Parking brake 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 more information on the parking brake, refer to the
"Parking brake" and "Electric parking brake" sections.
Electric parking
brake 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 corresponding section.
de
activation of
the automatic
functions of the
electric parking
brake fixed.
The "automatic application" (on
switching off the engine) and
"automatic release" functions are
deactivated or faulty. Activate the function (depending on the country of
sale) via the vehicle configuration menu or contact a
CITROËN dealer or a qualified workshop.
Monitoring
Page 34 of 436

DS4_en_Chap01_controle-de-marche_ed03-2015
Lighting dimmerfixed. The lighting dimmer is making an
adjustment. You can adjust the level of illumination of the
instruments between 1 and 16.
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.
Warning
/indicator lampis on Cause Action/Observations
di
esel engine
pre-heating fixed.
The ignition switch is at the
2
nd position (Ignition on) or the
" START/STOP " starting button has
been pressed. Wait until the warning lamp goes off before starting.
Once it goes off, starting is immediate, on condition
that the brake pedal remains pressed with an
automatic gearbox, or the clutch pedal is pressed fully
down with a manual gearbox.
The period of illumination of the warning lamp is
determined by the ambient conditions (up to about
thirty seconds in severe winter 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.
Page 35 of 436

33
DS4_en_Chap01_controle-de-marche_ed03-2015
Passenger's
airbag systemfixed in the seat belt
and passenger's front
airbag warning lamps
display.The control switch, located in the
glove box, has been placed in
the
"O
N"
p
osition.
The passenger's front airbag is activated.
In this case, do not install a rear ward
facing child seat on this seat.Move the control switch to the "OFF" position to
deactivate the passenger's front airbag.
In this case, you can install a rear ward facing child
seat, unless there is a fault with the airbags (airbag
warning lamp on).
Stop & Star t fixed. When the vehicle stops (red lights,
traffic jams,
...) the Stop & Start system
has put the engine into STOP mode. The warning lamp goes off and the engine restarts
automatically in START mode, as soon as you want to
move off.
flashes for a
few
seconds, then
goes off. STOP mode is temporarily
unavailable.
or
START mode is invoked
automatically. For more information on Stop & Start, refer to the
corresponding section.
Warning
/indicator lampis on Cause Action/Observations
Monitoring