2023 CITROEN C3 AIRCROSS warning

2
Contents
 ■
Overview
 ■
Eco-driving
1InstrumentsInstrument panels 8
Warning and indicator lamps 9
Indicators 14
Distance recorders 17
Equipment configuration for vehicles without
screen
17
Monochrome screen C 18
Touch screen 19
Trip computer 20
Setting the date and time 23
2AccessRemote control / Key 24
Keyless Entry and Start 25
Back-up procedures 27
Doors 29
Boot 30
Central locking 30
Alarm 31
Panoramic sunroof 32
Electric windows 34
3Ease of use and comfortFront seats 36
Rear seats 38
Steering wheel adjustment 41
Mirrors 41
Ventilation 42
Heating/Manual air conditioning 44
Automatic air conditioning 44
Front demist - defrost 46
Heated windscreen 46
Rear screen demist - defrost 47
Front fittings 47
Rear fittings 50
Boot fittings 51
Courtesy lamps 53
Interior ambient lighting 54
4Lighting and visibilityLighting control stalk 55
Direction indicators 56
Automatic illumination of headlamps 57
Guide-me-home and welcome lighting 57
Automatic lighting systems - General
recommendations
58
Automatic headlamp dipping 58
Headlamp beam height adjustment 59
Cornering lighting 59
Wiper control stalk 60
Changing a wiper blade 62
Automatic wipers 62
5SafetyGeneral safety recommendations 64
Hazard warning lamps 64
Horn 65
Emergency or assistance 65
Electronic stability control (ESC) 67
Grip control 68
Hill Assist Descent Control 69
Seat belts 70
Airbags 73
Child seats 75
Deactivating the front passenger airbag 77
ISOFIX child seats 78
i-Size child seats 80
Installing child seats 80
Child lock 83
6DrivingDriving recommendations 84
Starting / Switching off the engine with the key 86
Starting/Switching off the engine with
Keyless Entry and Start
87
Parking brake 89
5-speed manual gearbox 89
6-speed manual gearbox 90
Automatic gearbox (EAT6) 90
Gear shift indicator 92
Hill start assist 93
Stop & Start 93
Tyre under-inflation detection 95
Driving and manoeuvring aids - General
recommendations
97
Head-up display 98
Memorising speeds 99
Road signs recognition 100
Speed limiter 102
Cruise control - Specific recommendations 104
Cruise control 104
Active Safety Brake with Collision Risk Alert and
Intelligent emergency braking assistance
106
Distraction detection 109
Lane departure warning system 11 0
Blind spot monitoring 111

4
Overview
Instruments and controls
These illustrations and descriptions are intended
as a guide. The presence and location of some
elements vary depending on the version or trim
level.
1.Bonnet release
2. Dashboard fuses 3.
Courtesy lamp
Warning lamps display for seat belts and
front passenger airbag
Panoramic opening sunroof controls
Interior rear view mirror
Emergency and assistance call buttons
4. Monochrome screen with audio system
Touch screen with CITROËN Connect Radio
or CITROËN Connect Nav
Automatic air conditioning (depending on
version)
5. START/STOP/Grip control/Hill Assist
Descent Control controls
Ventilation (depending on version)
Heating (depending on version)
Manual air conditioning (depending on
version)
Front demisting/defrosting
Rear screen demisting/defrosting
6. Gearbox controls
7. Parking brake
8. USB socket
12 V socket
9. Horn
10. Instrument panel
Steering-mounted controls
1.Exterior lighting/Direction indicators control
stalk
2. Wipers/Screenwash/Trip computer control
stalk
3. Horn
4. Cruise control/speed limiter controls
5. Audio system controls
A. Select the instrument panel display mode
B. Voice commands
C. Decrease/Increase volume
D. Select previous/next media
Confirm a selection
E. Access the Telephone menu
Manage calls

5
Overview
F.Select an audio source
G. Display the list of radio stations/audio tracks
Side control bar

1.Tyre under-inflation detection
2. Stop & Start
3. Heated windscreen
4. Lane departure warning system
5. Electric child lock
6. Alarm
7. Parking sensors
8. Head-up display
9. Manual headlamp beam height adjustment
Central control bar

1.Hazard warning lamps
2. Central locking
3. Grip control
4. Hill Assist Descent Control
5. Climate touch screen menu (depending on version)
6. Touch screen home page (depending on
version)
7. Front demisting – de-icing
8. Rear screen demisting – de-icing
Labels
"Ease of use and comfort - Front fittings -
Wireless smartphone charger" section:


"Safety - Child seats - Child seat at the front"
section:


"Safety - Child seats - Deactivating the front
passenger airbag" section:


"Safety - ISOFIX mountings" section:
i-SizeTOP TETHER
"Safety - Manual child lock" section:

"Driving - Stop & Start", "Practical
information - Bonnet" and "In the event of a
breakdown - Changing a bulb" sections:

"Practical information - Compatibility of
fuels" section:




"In the event of a breakdown - Temporary
puncture repair kit" section:

9
Instruments
1Control buttons
A.Resetting the service indicator
Alert log display
Reminder of servicing information or the
remaining range associated with AdBlue
® and
the SCR system (miles or km)
Tyre pressure status information display
B. General lighting dimmer
C. Resetting the trip distance recorder
Display

1.Cruise control or speed limiter settings
Speed suggested by the Road signs
recognition
2. Gear shift indicator and/or selector position,
gear and Sport mode indicator with an
automatic gearbox 3.
Display area: alert messages or state of
functions, trip computer, digital speedometer
(mph or km/h), range associated with the
AdBlue
® and the SCR system (miles or km),
etc.
4. Service indicator, then total distance recorder
(miles or km)
These functions are displayed in turn when
the ignition is switched on
5. Trip distance recorder (miles or km)
Warning and indicator
lamps
Displayed as symbols, the warning and indicator
lamps inform the driver of the occurrence of a
malfunction (warning lamps) or of the operating
status of a system (operation or deactivation
indicator lamps). Certain lamps light up in two
ways (fixed or flashing) and/or in several colours.
Associated warnings
The illumination of a lamp may be accompanied
by an audible signal and/or a message displayed
in a screen.
Relating the type of alert to the operating status
of the vehicle allows you to determine whether
the situation is normal or whether a fault has
occurred: refer to the description of each lamp
for further information.
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.
For more information on a system or a function,
refer to the corresponding section.
Persistent warning lamp
If a red or orange warning lamp comes on, there
may be fault which needs further investigation.
If a 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 the vehicle .
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): Visit a CITROËN dealer or a qualified
workshop.

10
Instruments
List of warning and
indicator lamps
Red warning/indicator lamps
STOP
Fixed, associated with another warning
lamp, accompanied by the display of a
message and an audible signal.
A serious fault with the engine, braking system
or power steering or a major electrical fault has
been detected.
Carry out (1) and then (2).
Parking brakeFixed.
The parking brake is applied or not
properly released.
BrakingFixed.
The brake fluid level in the braking circuit
has dropped significantly.
Carry out (1), then top up with 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).
Door(s) openFixed, associated with a message
identifying the access.
A door or the tailgate is not properly closed
(speed less than 6 mph (10 km/h)).
Fixed, associated with a message
identifying the access, accompanied by
an audible signal.
A door or the tailgate is not properly closed
(speed above 6 mph (10 km/h)).
Seat belts not fastened/unfastenedFixed or flashing, accompanied by an
increasing audible signal.
A seat belt has not been fastened or has been
unfastened.
12 V battery chargeFixed.
The battery charging circuit is faulty
(e.g.

dirty terminals, loose or severed alternator
belt).
Carry out (1).
Clean and tighten the terminals. If the warning
lamp does not go off when the engine is started,
carry out (2).
Engine oil pressureFixed.
There is a fault with the engine lubrication
system.
Carry out (1) and then (2).
Maximum engine coolant temperatureFixed.
The temperature of the cooling system is
too high.
Carry out (1), then wait until the engine has
cooled down before topping up the level, if
necessary. If the problem persists, carry out (2).
Engine self-diagnostic systemFixed.
A major engine fault has been
detected.
Carry out (1) and then (2).
Orange warning/indicator lamps
Engine self-diagnostics system
Fixed.
A minor engine fault has been
detected.
Carry out (3).
Flashing.
The engine management system has a
fault.
There is a risk that the catalytic converter will be
destroyed.
You must carry out (2).
Fixed.
The emissions control system has a fault.
The warning lamp should go off when the engine
is started.
Carry out (3) without delay.

11
Instruments
1Collision Risk Alert/Active Safety BrakeFlashing.
The system activates and brakes the
vehicle momentarily to reduce the speed of
collision with the vehicle in front.
For more information, refer to the Driving
section.
Fixed, accompanied by a message and
an audible signal.
The system has a fault.
Carry out (3).
Fixed, accompanied by the display of a
message.
The system has been deactivated via the vehicle
configuration menu.
Fixed.
The system is deactivated
temporarily because the driver and/or front
passenger (depending on version) has been
detected as present but the corresponding seat
belt has not been fastened.
Anti-lock braking system (ABS)Fixed.
The anti-lock braking system has a fault.
The vehicle retains conventional braking.
Drive carefully at moderate speed, then carry
out (3).
Under-inflationFixed, accompanied by an audible signal
and a message.
The pressure in one or more tyres is too low. Check the pressure of the tyres as soon as
possible.
Reinitialise the detection system after adjusting
the pressure.
Under-inflation warning lamp
flashing then fixed and Service
warning lamp fixed.
The tyre pressure monitoring system is faulty.
Under-inflation detection is no longer monitored.
Check the tyre pressures as soon as possible
and carry out (3).
Dynamic stability control (DSC)/Anti-slip
regulation (ASR)
Fixed.
The system is deactivated.
The DSC/ASR system is reactivated
automatically when the vehicle is restarted,
and at speeds above approximately 31 mph
(50

km/h).
At speeds below 31
mph (50 km/h), it can be
reactivated manually.
Flashing.
DSC/ASR system regulation is activated
in the event of a loss of grip or trajectory.
Fixed.
The DSC/ASR system has a fault.
Carry out (3).
AirbagsFixed.
One of the airbags or seat belt
pyrotechnic pretensioners is faulty.
Carry out (3).
Front passenger airbag (ON)Fixed.
The front passenger airbag is activated.
The control is set to the "ON" position.
In this case, do not install a "rearward facing"
child seat on the front passenger seat - risk
of serious injury!
Front passenger airbag (OFF)Fixed.
The front passenger airbag is deactivated.
The control is set to the “OFF ” position.
A "rearward facing" child seat can be installed,
unless there is a fault with the airbags (Airbags
warning lamp on).
Particle filter (Diesel)Fixed, accompanied by an audible signal
and a message about the risk of particle
filter blockage.
The particle filter is nearing saturation.
As soon as traffic conditions permit, regenerate
the filter by driving at a speed of at least 37
mph
(60

km/h) until the warning lamp goes off.
Fixed, accompanied by an audible signal
and a message indicating that the
additive level in the particle filter is too low.
The low level in the additive tank has been
reached.
Top up without delay: carry out (3).

12
Instruments
Low fuel levelFixed, accompanied by an audible signal
and a message.
When it first comes on, there is
approximately 5
litres of fuel remaining in the tank (reserve).
Refuel without delay to avoid running out of fuel.
Never drive until completely empty, as
this could damage the emissions control and
injection systems.
Water in Diesel fuel filter (depending on
version)
Fixed.
The Diesel fuel filter contains water.
Carry out (2) without delay. Risk of damaging the
fuel injection system!
Lane departure warning systemFlashing, accompanied by an audible
signal.
A lane marking has been crossed on the left or
right.
Turn the steering wheel in the opposite direction
to return to the correct trajectory.
For more information, refer to the Driving
section.
Fixed, accompanied by an onscreen
message.
The system has a fault.
Stay alert and drive carefully, then carry out (3).
Fixed.
The system has been deactivated.
If there is an unexpected change of direction,
you will no longer be warned by the system.
AdBlue® (BlueHDi)On for around 30 seconds when starting
the vehicle, accompanied by a message
indicating the driving range.
The 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 driving range.
The driving range is between 500 and 62 miles
(800 and 100
km).
Promptly top up the AdBlue
®, or carry out (3).Flashing, accompanied by an audible
signal and a message indicating the
driving range.
The driving range is less than 62 miles (100
km).
You must top up the AdBlue
® to avoid engine
starting 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 legally required
engine immobiliser system prevents the engine
from starting.
To restart the engine, top up the AdBlue
® or carry
out (2).
It is essential to add at least 5 litres of AdBlue
®
to the tank.
SCR emissions control system (BlueHDi)Fixed when the ignition is switched
on, accompanied by an audible
signal and a message.
A malfunction of the SCR emissions control
system has been detected.
This alert disappears once the exhaust
emissions return to normal levels.
Flashing AdBlue® warning lamp on
switching on the ignition, with the
Engine self-diagnostics warning lamp on fixed,
accompanied by an audible signal and a
message indicating the driving range.
Depending on the message displayed, it is
possible to drive for up to 685 miles (1,100
km)
before the engine immobiliser is triggered.
Carry out (3) without delay, to avoid starting
being prevented.
Flashing AdBlue® warning lamp on
switching on the ignition, with the
Engine self-diagnostics warning lamp on fixed,
accompanied by an audible signal and a
message indicating that starting is prevented.
The engine immobiliser prevents the engine from
restarting (the permitted driving limit has been
exceeded after confirmation of a malfunction of
the emissions control system).
To start the engine, carry out (2).
ServiceTemporarily on, accompanied by the display of a message.
One or more minor faults, for which there is/are
no specific warning lamp(s), have been detected.

13
Instruments
1Identify the cause of the fault using the message
displayed on the instrument panel.
You may be able to deal with some faults
yourself, such as changing the battery in the
remote control.
For other faults, such as with the tyre under-
inflation detection system, carry out (3).
Fixed, accompanied by the display of a
message.
One or more major faults, for which there is/are
no specific warning lamp(s), have been detected.
Identify the cause of the fault using the message
displayed on the instrument panel, then carry
out (3).
Service warning lamp fixed and
service spanner flashing then
fixed.
The servicing interval has been exceeded.
The vehicle must be serviced as soon as
possible.
Only with BlueHDi Diesel engines.
Engine pre-heating (Diesel)Temporarily on (up to approximately 30 seconds in
severe weather conditions).
When switching on the ignition, if the weather
conditions and the engine temperature make it
necessary.
Wait until the warning lamp goes off before
starting.
When the warning lamp goes off, starting will
occur immediately if you press and hold:
–

the clutch pedal with a manual gearbox. –


the brake pedal with an automatic gearbox.
If the engine does not start, make the engine
starting request again, while keeping your foot
on the pedal.
Rear foglampFixed.
The lamp is on.
Green warning/indicator lamps
Blind spot monitoring
Fixed.
The function has been activated.
Hill Assist Descent ControlFixed.
The system has been activated, but the
conditions for regulation are not met (gradient,
speed too high, gear engaged).
Flashing.
The function is regulating the speed of
the vehicle.
The vehicle is being braked; the brake lamps
come on during the descent.
Stop & StartFixed.
When the vehicle stops, the Stop & Start
puts the engine into STOP mode.
Flashing temporarily.
STOP mode is momentarily unavailable
or START mode is automatically triggered.
For more information, refer to the Driving
section.
Direction indicatorsFlashing with audible signal.
The direction indicators are on.
SidelampsFixed.
The lamps are on.
Front foglampsFixed.
The front foglamps are lit.
Automatic wipingFixed.
Automatic windscreen wiping is activated.
Automatic headlamp dippingFixed.
The function has been activated
via the touch screen (Driving/Vehicle menu).
The lighting control stalk is in the "AUTO"
position.
For more information, refer to the Lighting and
visibility section.
Dipped beam headlampsFixed.
The lamps are on.
Blue warning/indicator lamps
Main beam headlamps
Fixed.
The lamps are on.