2020 CITROEN C4 PICASSO warning

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When the ignition is switched on
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.
Persistent warning lamp
When the engine is running or the vehicle is
being driven, the illumination of a red or orange
warning lamp indicates a
fault that needs
further investigation, using any associated
message and the description of the warning
lamp in the documentation.
Where a warning lamp remains lit
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 as soon as it is safe to do
so and switch off the ignition.
(2): Contact a
CITROËN dealer or a qualified
workshop.
(3) : Go to a
CITROËN dealer or a qualified
workshop.
Instruments

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List of warning and indicator lamps
Warning/indicator lampStateCause Actions/Observations
Red warning/indicator lamps
STOPFixed, associated
with another warning
lamp, accompanied
by the display of
a
message and an
audible signal. Indicates a
serious fault with the
engine, braking system, power
steering or a
major electrical fault.Carry out (1) and then (2).
Engine oil
pressure Fixed.
There is a
fault with the engine
lubrication system. Carry out (1) and then (2).
Brakes Fixed. The brake fluid level has dropped
significantly. Carry out (1), then top up with brake 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).
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Instruments

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Warning/indicator lampStateCause Actions/Observations
Electric parking
brake Fixed.
The electric parking brake is applied.
Flashing. The electric parking brake is not
applied automatically.
The application/release is faulty. Carry out (1): park on flat level ground (horizontally).
With a


manual gearbox, engage a

gear.
With an automatic gearbox, select mode P .
Switch off the ignition and carry out (2).
+
+
+ Operating fault
(with electric
parking brake)
Fixed, accompanied
by the message
"Parking brake fault". The parking brake is not operating
at maximum efficiency and cannot
ensure parking the vehicle in
complete safety in all situations. Make your vehicle safe:
F

P
ark on a level sur face.
F

W
ith a

manual gearbox, engage a

gear.
F

W
ith an automatic gearbox, with P selected, place
the chocks supplied against one of the wheels.
Then carry out (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 to the required level if
necessary. If the problem persists, carry out (2).
Battery charge Fixed. The battery charging circuit has
a
fault (dirty or loose terminals, slack
or cut alternator belt, etc.).
Clean and retighten the terminals. If the warning lamp
does not go off when the engine is started, carry out (2).
Instruments

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Warning/indicator lampStateCause Actions/Observations
Door 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, the boot, the tailgate or
the tailgate screen is still open
(depending on version).
Close the access.
Seat belt not
fastened/
unfastened Fixed or flashing,
accompanied by an
audible signal. A seat belt has not been fastened or
has been unfastened.
Orange warning/indicator lamps
Operating fault
(with electric
parking brake)Fixed.
The electric parking brake has
a
fault.Carry out (3) quickly.
+ Fixed, accompanied
by the message
"Parking brake fault".
You can no longer immobilise the
vehicle with the engine running.
If manual application and release are not working, the
electric parking brake control lever is faulty.
The automatic functions must be used at all times and
are automatically reactivated in the event of failure of
the control lever.
Carry out (2).
*
O

nly with digital monochrome instrument panel.
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Instruments

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Warning/indicator lampStateCause Actions/Observations
+
+ Operating fault
(with electric
parking brake)
Fixed, accompanied
by the message
"Parking brake fault". The parking brake is faulty: manual
and automatic functions may not be
working. When stationary, to immobilise your vehicle:
F

P
ull and hold the control lever for approximately
7
to 15 seconds, until the warning lamp comes on
in the instrument panel.
If this procedure does not work, make your vehicle
safe:
F

P
ark on a level sur face.
F

I
f you have a manual gearbox, engage a gear.
F

W
ith an automatic gearbox, select P, then put the
supplied chocks against one of the wheels.
Then carry out (2).
Deactivation of
the automatic
functions (with
electric parking
brake) Fixed.
The "automatic application" (on
switching off the engine) and
"automatic release" (on acceleration)
functions are deactivated.
In the event of a
fault, illumination of
this warning lamp is accompanied by
a


message.Carry out (3) if automatic application/release is no
longer possible.
The brake can be applied or released manually.
+ Automatic
application
(with electric
parking brake) Fixed, accompanied
by the message
"Parking brake fault".
The automatic application is not
available, the parking brake can only
be used manually. Use the electric parking brake control lever.
If automatic release is also not available, use manual
release.
Anti-lock Braking
System (ABS)Fixed.
The anti-lock braking system has
a
fault. The vehicle retains conventional braking.
Drive carefully at reduced speed, then carry out (3).
Instruments

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Warning/indicator lampStateCause Actions/Observations
Service Temporarily on,
accompanied by the
display of a
message.One or more minor faults have
been detected for which there is no
specific warning lamp. Identify the cause of the fault using the message
displayed in the instrument panel.
You can deal with certain anomalies yourself, for
example an open door or the start of saturation of the
particle filter.
For any other problems, such as a
fault with the tyre
under-inflation detection system, carry out (3).
Fixed, accompanied
by the display of
a


message.One or more major faults have
been detected for which there is no
specific warning lamp. Identify the cause of the fault using the message
displayed in the instrument panel, then carry out (3).
Fixed, accompanied
by the message
'Parking brake fault'. Automatic release of the electric
parking brake is unavailable.
Use manual release.
+ Service warning lamp
fixed and ser vice
spanner flashing then
fixed.The servicing interval has been
exceeded.
Only with BlueHDi Diesel versions.
Your vehicle must be ser viced as soon as possible.
(1) : You must 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)
: Go to a
CITROËN dealer or a qualified
workshop.
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Instruments

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Warning/indicator lampStateCause Actions/Observations
AdBlue
®
(access via the
boot)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 1,500 and 375 miles
(2,400
and 600 km).Top up the AdBlue® as soon as possible, or carry out (3).
+
AdBlue® warning lamp
flashing and Service
warning lamp fixed,
accompanied by an
audible signal and
a

message indicating
the remaining driving
range.The driving range is less than
375 miles (600 km). Yo u must
top up the AdBlue® to avoid a breakdown ,
or carry out (3).
AdBlue® warning lamp
flashing and Service
warning lamp fixed,
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 restart the engine, top up the AdBlue® or carry out (2).It is essential to add at least 5 litres of AdBlue® to its
tank.
Instruments

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Warning/indicator lampStateCause Actions/Observations
AdBlue
®
(access via the
fuel filler flap) On for around
30
seconds when
starting the vehicle,
accompanied by
a
message indicating
the remaining driving
range. The remaining 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
remaining driving range.The remaining driving range is
between 500 and 62 miles (800 and
10 0 k m). Top up the AdBlue® as soon as possible
, or carry
out (3).
Flashing,
accompanied by an
audible signal and
a

message indicating
the remaining driving
range. The driving range is less than
62

miles (100

km). Yo u must
top up the AdBlue
® to avoid star ting
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
starting prevention system required
by legislation prevents starting of the
engine.To restart the engine, top up the AdBlue® or carry out (2).It is essential to add at least 5 litres of AdBlue® to its
tank.
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Instruments