warning CITROEN C4 PICASSO 2022 Repair Manual

175
Active Blind Spot
Monitoring System
(depending on version)
In addition to the fixed warning lamp in the door
mirror on the side in question, a correction of
trajectory will be felt if you cross a lane marking
with the direction indicators on, to help you
avoid a


collision.
Conditions for operation
The following systems must be activated:
- B lind Spot Detection,
-
L

ane Departure Warning System.
The speed of the vehicle must be between
40
and 87 mph (65 and 140 km/h) inclusive.
Fatigue detection system
Take a break as soon as you feel tired or at
l east every two hours.
Depending on version, the function relies either
on the "Driver Attention Warning" system alone
or combined with the "Driver Attention Alert"
system.
These systems cannot in any circumstances
replace the need for vigilance on the part
of the driver who must remain in control
of their decisions. In no case can these
systems keep the driver awake or prevent
them from falling asleep at the wheel.
It is the driver's responsibility to stop if they
feel tired.
Activation/Deactivation
These functions are activated and
deactivated in the Driving menu of
the touch screen.
The state of the system stays in the memory
when the ignition is switched off.
Driver Attention Warning
The system triggers an alert once it
detects that the driver has not taken
a
break after two hours of driving at
a
speed above 40 mph (65 km/h).This alert is issued via the display of
a
message encouraging you to take a break,
accompanied by an audible signal.
If the driver does not follow this advice, the
alert is repeated hourly until the vehicle is
stopped.
The system resets itself if one of the following
conditions is met:
-
e
ngine running, the vehicle has been
stationary for more than 15

minutes,
-
t
he ignition has been switched off for a few
minutes,
-
t
he driver's seat belt is unfastened and their
door is open.
As soon as the speed of the vehicle drops
below 40 mph (65 km/h), the system goes
into standby.
The driving time is counted again once the
speed is above 40 mph (65 km/h).
Driver Attention Alert
Depending on version, the "Driver Attention
Warning" may be combined with the "Driver
Attention Alert".
6
Driving

177
This function is a manoeuvring aid which
c annot, in any circumstances, replace the
need for vigilance on the part of the driver.
The driver must remain attentive and stay
in control of their vehicle.
They must always check the vehicle's
surroundings before undertaking
a


manoeuvre.
During the entire manoeuvre, the driver
must ensure that the space remains clear.
Rear parking sensors
The system is switched on by engaging reverse
g e a r.
This is confirmed by an audible signal.
The system is switched off when you come out
of reverse gear.
Audible assistance
The information on proximity is given by an
intermittent sound signal, the succession of
which becomes more rapid as the vehicle
approaches the obstacle.
The sound emitted by the speaker (right or left)
indicates which side the obstacle is on.
When the distance between the vehicle and
the obstacle becomes less than approximately
thirty centimetres, the audible signal becomes
continuous.
Visual assistance
It supplements the audible signal by displaying
bars on the screen that move progressively
nearer to the vehicle (white: more distant
obstacles; orange: close obstacles; red: very
close obstacles).
When the obstacle is very close, the "Danger"
symbol is displayed on the screen.
Front parking sensors
In addition to the rear parking sensors, the
front parking sensors are triggered when an
obstacle is detected in front and the speed of
the vehicle remains below 6
mph (10 km/h).
The front parking sensors are interrupted if
the vehicle stops for more than three seconds
in for ward gear, if no further obstacles are
detected or when the speed of the vehicle
exceeds 6
mph (10 km/h).
The sound emitted by the speaker (front or
rear) indicates whether the obstacle is in
front or behind.
Deactivation/Activation
The function is deactivated and
activated in the Driving menu of the
touch screen.
This warning lamp comes on in the
instrument panel when the function
is deactivated.
A new selection reactivates the
function.
The state of the function stays in the memory
when the ignition is switched off.
6
Driving

178
The rear parking sensors system will
be deactivated automatically if a trailer
or bicycle carrier is connected to
a
towing device installed in line with the
manufacturer's recommendations.
In this case, the outline of a
trailer is
displayed at the rear of the image of the
vehicle.
The parking sensors are deactivated while the
Park Assist system is measuring a
space.
For more information on the Park Assist , refer
to the corresponding section.
Operating limits
- A front or rear impact to the vehicle can distort the settings of the sensors, which is
not always detected by the system: distance
measurements may be incorrect.
-

T
he tilting of the vehicle if the boot is
very loaded can affect the distance
measurements.
-

T
he sensors may be affected by poor
weather conditions (heavy rain, thick fog,
snowfall, etc.).
Operating fault
If the system fails, when reverse
gear is engaged this warning lamp
flashes for a
few seconds before
lighting up continuously, together
with the Service warning lamp.
A message appears, accompanied by an
audible signal.
Contact a
CITROËN dealer or a qualified
workshop. In bad or wintry weather, ensure that the
sensors are not covered by mud, ice or
snow.
When reverse gear is engaged, an audible
signal (long beep) indicates that the
sensors may be dirty.
Certain sound sources (motorcycle,
lorry, pneumatic drill, etc.) may trigger
the audible signals of the parking sensor
system.
High pressure jet wash
When washing your vehicle, direct the
lance at least 30
cm away from the
sensors.
-

C

ertain obstacles located in the sensors'
blind spots may not be detected or no
longer be detected during the manoeuvre.
-

S

ounds such as those emitted by noisy
vehicles and machinery (e.g. lorries,
pneumatic drills, etc.) may inter fere with the
vehicle's sensors.
-

C

ertain materials (fabrics) absorb sound
waves: pedestrians may not be detected.
-

A

ccumulated snow or dead leaves on the
road sur face can inter fere with the vehicle's
sensors.
Reversing camera
The reversing camera is activated automatically
when reverse gear is engaged.
Driving

184
F The assisted parking manoeuvre is in progress.
Without exceeding 4
mph (7 km/h), move
for wards and backwards, aided by the
warnings from the "Parking sensors"
system, until the end of the manoeuvre is
indicated.
Assistance in exiting a parallel
p arking space
F When you want to leave a parallel parking
space, start the engine.
F

W
ith the vehicle stationary,
press this button.
This indicator lamp comes on in
the instrument panel to confirm the
activation of the system.
F

P
ress "Exit parking space " on
the touch screen.
F

A

t the end of the manoeuvre, the indicator
lamp in the instrument panel goes off,
accompanied by a

message and an audible
signal.
The assistance is deactivated: you can take
over control. F

T
he assisted parking manoeuvre is in
progress. Without exceeding 3
mph
(5
km/h), move for wards and backwards,
aided by the warnings from the "Parking
sensors" system, until the indication of the
end of the manoeuvre.
F

O
perate the direction indicator for the exit
side chosen. F

E
ngage reverse or forward gear and release
the steering wheel.
The manoeuvre is complete when the vehicle's
front wheels are clear of the parking space.
Driving

186
F The assisted parking manoeuvre is in progress.
Without exceeding 4
mph (7 km/h), follow
the instructions displayed in the instrument
panel, aided by the warnings from the
"Parking sensors" system, until the end of
the manoeuvre is indicated. During a
bay parking manoeuvre, the Park
Assist system is automatically deactivated
once the rear of the vehicle is within
20 inches (50 cm) of an obstacle.
During parking and exit from parking
manoeuvres, the reversing camera
function may come into operation. It
facilitates monitoring of the surroundings
of the vehicle, by displaying additional
information in the instrument panel.
For more information on the Reversing
camera , refer to the corresponding
section.
Deactivation
- if the speed of the vehicle exceeds the stated limit,
-

w
hen the driver interrupts movement of the
steering wheel,
-

a
fter 4 manoeuvre cycles,
-
o

n opening the driver's door,
-

i
f one of the front wheels encounters an
obstacle.
The indicator lamp in the instrument panel goes
off and a
message is displayed accompanied
by an audible signal.
The driver should then take back control of the
vehicle's steering.
If the system is deactivated during
a


manoeuvre, the driver should reactivate
it to repeat the measurement.
Switching off
The system is switched off automatically:
- w hen towing a trailer, connected electrically,
-

i
f the driver's door is opened,
-

i
f the speed of the vehicle is above 43 mph
(70


km/h).
To switch the system off for a
prolonged period,
contact a
CITROËN dealer or a qualified
workshop.
At the end of the manoeuvre, the indicator lamp
in the instrument panel goes off, accompanied
by a

message and an audible signal.
The assistance is deactivated: you can take
over control. The system is deactivated by pressing the
control.
The system is deactivated automatically:
-

o

n switching off the ignition,
-

i

f the engine stalls,
-

i

f no manoeuvre is per formed within
5

minutes of selecting the type of
manoeuvre
-

a

fter a

prolonged stop of the vehicle during
a


manoeuvre,
-

i

f the wheel anti-slip regulation (ASR) is
triggered,
Driving

187
Operating faults
In the event of a fault, this warning
l amp flashes for a few seconds,
accompanied by an audible signal.
In the event of a
fault with the
power steering, this warning lamp
is displayed in the instrument panel,
accompanied by a


message.
If the lateral distance between your vehicle
and the space is too great, the system may
not be able to measure the space.
Any object projecting beyond the dimensions
of the vehicle (e.g. a ladder on the roof or
a towball) will not be taken into account by
the Park Assist system during a
manoeuvre.
In bad weather or in winter, ensure that
the sensors are not covered by dirt, ice or
snow.
In the event of a fault, have the system
checked by a
CITROËN dealer or
a


qualified workshop. High pressure jet washing
When washing your vehicle, keep the lance at
least 12
inches (30 cm) away from the sensors.
If the fault occurs during the use of the system,
the warning lamp goes off.
Contact a CITROËN dealer or a qualified
workshop.
6
Driving

190
Fuel
Fuel tank capacity: approximately 57 litres
(petrol) or 55 litres (Diesel).
Low fuel level
When the low fuel level is reached,
this warning lamp in the instrument
panel comes on, accompanied by
an audible warning, a message and
the last bar of the fuel gauge lights
up orange.
When it first comes on there remains
approximately 6


litres of fuel in the tank.
Until sufficient fuel has been added, this
warning lamp appears every time the ignition
is switched on, accompanied by an audible
warning and a
message. This audible warning
and this message are repeated with increasing
frequency as the fuel level drops towards " 0".
Refuel as soon as possible to avoid running
out.
Refilling
A self-adhesive label on the inner face of the
filler flap reminds you of the type of fuel to use,
depending on your engine.
Additions of fuel must be of at least 5
litres, in
order to be registered by the fuel gauge. To refuel in complete safety:
F

Y
ou must switch off the engine.
F
W
ith the vehicle unlocked, press the rear
edge of the flap to open it (the filler cap is
a part of it).
F T ake care to select the pump that delivers
the correct type of fuel for your vehicle.
F

I
nsert the nozzle so as to push in the metal
non-return flap.
F

M
ake sure that the nozzle is pushed in as
far as possible before starting to refuel (risk
of blowback). If you are filling your tank to the top, do not
continue after the 3
rd cut- off of the nozzle;
this could cause malfunctions.
Your vehicle is fitted with a
catalytic converter,
a device which helps to reduce the level of
harmful emissions in the exhaust gases.
For petrol engines, you must use unleaded
fuel.
The filler neck is narrower, allowing only
unleaded petrol nozzles to be introduced.
If you have put in the wrong fuel for
your vehicle, you must have the fuel
tank drained and filled with the correct
fuel before star ting the engine.
Fuel cut- of f
Your vehicle is fitted with a safety system that
c uts off the supply of fuel in the event of an
impact.
Opening the filler flap may create a

noise
caused by an inrush of air. This is entirely
normal and results from the sealing of the fuel
system. F
H
old it in this position throughout the filling
operation.
F
P
ush the filler flap to close it.
With Stop & Start, never refuel with the
engine in STOP mode; you must switch
off the ignition with the "START/STOP"
button.
Practical information

196
Roof bars
As a safety measure and to avoid
d amaging the roof, it is essential to use
the transverse bars approved for your
vehicle.
Obser ve the fitting instructions and the
conditions of use in the user guide supplied
with the bars.
Version without longitudinal
bars Version with longitudinal
bars
Recommendations
F Distribute the load evenly, avoiding
overloading on one side.
F

A
rrange the heaviest part of the load as
close as possible to the roof.
F

S
ecure the load firmly and fit a warning flag
if it overhangs the vehicle.
F

D
rive gently: the vehicle will be more
susceptible to the effects of side winds (the
stability of the vehicle may be affected).
F

R
emove the roof bars once they are no
longer needed.
After refitting a front wiper
bla de
F Switch on the ignition.
F
O perate the wiper control stalk again to
park the wiper blades.
The replacement of wiper arms should be
carried out only by a
CITROËN dealer or
a


qualified workshop. When fitting roof bars, use only the four fixing
points located on the roof frame. These points
are masked by the vehicle doors when closed.
The roof bar fixings include a
stud which should
be fitted to the opening in each fixing point. You must fit the transverse bars to the
longitudinal bars at the fixing points indicated
by engraved markings on the longitudinal bars.
Practical information

201
Brake fluid level
The fluid level should be close to the
"MA X" mark. If it is not, check the
brake pad wear.
Fluid specification
The fluid must conform to the manufacturer's
recommendations.
Coolant level
Check the coolant level regularly.
It is normal to top up the fluid
between two services.
The check and top-up must only be done with
the engine cold.
A low coolant level presents a
risk of serious
damage to your engine.
The coolant level should be close to the "MA X"
mark but should never exceed it.
If the level is close to or below the "MIN" mark,
it is essential to top up. To avoid the risk of scalding when you need to
top up in an emergency, wrap a
cloth around
the cap and unscrew the cap by two turns to
allow the pressure to drop.
Once the pressure has dropped, remove the
cap and top up to the required level.
The cooling fan may star t after
switching off the engine: take care
with articles and clothing that might be
caught by the fan blades.
Fluid specification
This fluid must conform to the manufacturer's
recommendations.
Screenwash/headlamp
wash level low
In the case of vehicles fitted with
headlamp washers, when the fluid
reser voir low level is reached this
warning lamp comes on in the
instrument panel, accompanied by
an audible signal and a


message.
The warning lamp comes on when the ignition
is switched on, or every time the stalk is
operated, until the reser voir is refilled.
The next time you stop, have the screenwash/
headlamp wash reser voir topped up.
Diesel fuel additive level
(Diesel with particle filter)
The additive reser voir low level is
indicated by fixed illumination of this
warning lamp, accompanied by an
audible signal and a
message that
the particle filter additive level is
too low.
To p p i n g u p
This additive must be topped up without delay
by a CITROËN dealer or a qualified workshop.
Level of AdBlue
An alert is triggered once the reser ve level is
reached.
To avoid the vehicle being immobilised as per
regulations, you must top up with AdBlue.
For more information on AdBlue and the SCR
system, and, in particular, topping up the tank,
refer to the corresponding section.
When the engine is hot, the temperature of the
coolant is regulated by the fan.
In addition, as the cooling system is
pressurised, wait at least one hour after
switching off the engine before carrying out any
work.
7
Practical information

202
Checks
Unless otherwise indicated, check these
components in accordance with the
manufacturer's service schedule and according
to your engine.
Other wise, have them checked by a CITROËN
dealer or a
qualified workshop.
12 V battery
The battery does not require any
maintenance.
However, check regularly that the
terminals are correctly tightened
(versions without quick release terminals)
and that the connections are clean.
For more information and the precautions
to take before starting work on the 12 V
battery , refer to the corresponding
section.
Versions equipped with Stop & Start are
fitted with a
12 V lead-acid battery of
specific technology and specification.
Its replacement should be carried out
only by a
CITROËN dealer or a qualified
workshop.
Air filter
Depending on the environment
(e.g. dusty atmosphere) and the
use of the vehicle (e.g. city driving),
replace it twice as often if
necessary .
Passenger compartment
filter
Depending on the environment
(e.g. dusty atmosphere) and the
use of the vehicle (e.g. city driving),
replace it twice as often if
necessary.
A clogged passenger compartment
filter may have an adverse effect on
the per formance of the air conditioning
system and generate undesirable odours.
Oil filter
Change the oil filter each time the
engine oil is changed.
Particle filter (Diesel)
The start of saturation of the particle
filter is signalled by the temporary
illumination of this warning lamp
accompanied by a message warning
of the risk of the filter clogging up.
Traffic conditions permitting, regenerate
the filter by driving at a
speed of at least
37

mph (60 km/h) until the warning lamp
goes off.
If the warning lamp stays on, this indicates
a

low Diesel additive level.
For more information on Checking levels ,
refer to the corresponding section.
On a

new vehicle, the first particle
filter regeneration operations may be
accompanied by a "burning" smell, which
is per fectly normal.
Following prolonged operation of the
vehicle at very low speed or at idle,
you may, in exceptional circumstances,
notice the emission of water vapour at the
exhaust on acceleration. This does not
affect the behaviour of the vehicle or the
environment.
Practical information