2021 CITROEN C3 AIRCROSS start stop button

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Access
2


► Switch on the ignition by pressing the "START/STOP" button.► With a manual gearbox, place the gear lever
in neutral then fully depress the clutch pedal.
► With an automatic gearbox, while in mode
P, depress the brake pedal.
If the fault persists after reinitialisation, contact a
CITROËN dealer or a qualified workshop without
delay.
Doors
Opening
From outside
► After unlocking the vehicle or with the Keyless Entry and Starting electronic key in the
recognition zone, pull the door handle.
From inside
► Pull the interior opening control of a door; this unlocks the vehicle completely.
Closing
When a door is not closed correctly:– with the engine running or the vehicle moving (speed below 6 mph (10 km/h)),
this warning lamp comes on, accompanied by an
alert message displayed for a few seconds.
– with the vehicle moving (speed above 6 mph (10 km/h)), in addition to the warning lamp and
alert message, an audible signal sounds for a
few seconds.
Boot
Opening

► With the vehicle unlocked or with the electronic key of the Keyless Entry and Starting
system in the recognition zone, press the central
tailgate control.
► Lift the tailgate.
In the event of a fault or difficulties
encountered in manoeuvring the tailgate
when opening or closing it, have it quickly
checked by a CITROËN dealer or a qualified
workshop to prevent this inconvenience
worsening, causing the lid to fall and serious
injuries.
Closing
► Lower the tailgate using one of the interior grab handles.
If the tailgate is not fully closed:
– when the engine is running , this
warning lamp comes on, accompanied by
the display of a message for a few seconds,
– when the vehicle is moving (speed higher than 6 mph (10 km/h)), this warning lamp comes on, accompanied by an audible signal and the
display of a message for a few seconds.
Back-up release
To manually unlock the boot in the event of a
battery or central locking failure.
Unlocking
► Fold the rear seats to gain access to the lock from inside the boot.

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Access
tip of the high-pressure lance at least 30 centimetres from the seals.
Never leave the vehicle with the sunroof
open.
Operation
When opening the sunroof fully, the movable
glass moves to a partially open position, then
slides over the roof. All intermediate positions
are allowed.
Depending on the speed of the vehicle,
the partially open position may vary to
improve the acoustics.
Before operating the sunroof or blind
control buttons, ensure that no object or
person might prevent the movement.
Be particularly aware of children when
operating the sunroof or blind.
If something is trapped when operating the
sunroof or blind, you should reverse the
movement of the sunroof or blind by pressing
the control in question.
The driver must ensure that passengers use
the sunroof and blind correctly.
Anti-pinch system
If the sunroof or blind encounters an obstacle
when closing, the movement is automatically
reversed.
The indicator lamp in the button goes off.► Reactivate the full alarm system by locking the vehicle using the remote control or the
Keyless Entry and Starting system.
The indicator lamp in the button flashes once per
second again.
Triggering of the alarm
This is indicated by sounding of the siren and
flashing of the direction indicators for thirty
seconds.
The volumetric and anti-tilt monitoring functions
remain active until the tenth successive time the
alarm is triggered.
When the vehicle is unlocked using the remote
control or the Keyless Entry and Starting system,
rapid flashing of the indicator lamp in the button
informs you that the alarm was triggered during
your absence. When the ignition is switched on,
this flashing stops immediately.
Failure of the remote control
To deactivate the monitoring functions:
► unlock the vehicle using the key (integral to the remote control) in the driver's door lock,► Open the door; this sets off the alarm.► Upon switching on the ignition the alarm stops. The button indicator lamp goes off.
Locking the vehicle without
activating the alarm
► Lock or deadlock the vehicle using the key (integral to the remote control) in the driver's
door lock.
Operating fault
When the ignition is switched on, fixed
illumination of the indicator lamp in the button
indicates a fault with the system.
Have it checked by a CITROËN dealer or a
qualified workshop.
Panoramic sunroof
The panoramic sunroof consists of a movable
glass panel that slides over the roof and a blind
that can be opened independently. Opening the
sunroof automatically opens the blind.
► To operate the panoramic sunroof or the blind, use the buttons in the roof console.

A.Sunroof blind control
B. Sunroof control
The sunroof or blind can be operated when the
ignition is turned on (if the battery is charged
enough), with the engine running, in STOP mode
of Stop & Start, and up to 45 seconds after turning off the ignition or after locking the vehicle.
Precautions
Do not put your head or arms through the
sunroof when driving - risk of serious
injury!
Ensure that any luggage or accessories
carried on the roof bars does not
interfere with the movement of the sunroof.
Do not place heavy loads on the movable
glass panel of the sunroof.
If the sunroof is wet, following a shower
or washing the vehicle, wait until it is
completely dry before opening.
Do not operate the sunroof if it is covered by
snow or ice - risk of damage!
Use only plastic scrapers to remove snow or
ice from the sunroof.
Check the condition of the sunroof seals
regularly (presence of dust or deposits,
dead leaves, etc.).
If using a car wash, check that the roof is
correctly closed in advance and keep the

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Access
2tip of the high-pressure lance at least 30
centimetres from the seals.
Never leave the vehicle with the sunroof
open.
Operation
When opening the sunroof fully, the movable
glass moves to a partially open position, then
slides over the roof. All intermediate positions
are allowed.
Depending on the speed of the vehicle,
the partially open position may vary to
improve the acoustics.
Before operating the sunroof or blind
control buttons, ensure that no object or
person might prevent the movement.
Be particularly aware of children when
operating the sunroof or blind.
If something is trapped when operating the
sunroof or blind, you should reverse the
movement of the sunroof or blind by pressing
the control in question.
The driver must ensure that passengers use
the sunroof and blind correctly.
Anti-pinch system
If the sunroof or blind encounters an obstacle
when closing, the movement is automatically
reversed.
The roof anti-pinch system is designed to be effective at speeds of up to 75 mph (120 km/h).
Opening / Closing
► To open the sunroof or the blind, use the part
of the button located towards the rear.
► To close the sunroof or the blind, use the part
of the button located towards the front.
Operation of buttons
► Pressing a button beyond its point of resistance directly opens or closes the sunroof
fully.
► Pressing the button again stops the current movement.► When holding a button (without going beyond the point of resistance), the movement
of the sunroof or blind stops when this button is
released.
► When the sunroof is closed: pressing once without passing the point of resistance moves it
to a partially open position.
► When the sunroof is partially open: pressing once without passing the point of resistance
opens or closes it fully.
The roof and windows, then the blind,
can be closed by holding down the door
locking control. The operation stops as soon
as the locking control is released.
Closing of the blind is limited by the
position of the sunroof: the blind cannot
go further than the front of the mobile glass.
During simultaneous movements of the
sunroof and blind, the blind automatically
stops or resumes movement depending on
the position of the sunroof.
Reinitialisation
Following reconnection of the battery or in the
event of a fault or jerky movement of the sunroof
or blind, reinitialisation is required.
► Check that nothing is interfering with the sunroof or blind and that the seals are clean.► With the ignition on, fully close the sunroof and blind.► Press and hold the front part of button B, until
the sunroof and blind move slightly, then hold for
a further 1 second before releasing.
► Wait 2 seconds and then press and hold the front part of button B. The blind and the sunroof
will open and close, one after the other. When
both are completely closed again, hold for a
further 2 seconds and release.
If there is an operating fault, restart the
whole procedure.

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Ease of use and comfort
Front demist - defrost
These markings on the control panels indicate the control positions for rapid
demisting or defrosting of the windscreen and
side windows.
During the winter period, direct the side air
vents towards the side windows to optimise their
demisting and defrosting.
With control panel on the
centre console
On / Off
► Put the temperature and air flow controls to the appropriately marked position.► Press this button to distribute the air to the "Windscreen" position, its indicator
lamp comes on.
► Check that recycling of interior air is deactivated: its indicator lamp must be off.► Put the air flow control to the 0 position.
With touch screen
On / Off
► Press this button, its indicator lamp comes on.
The system automatically manages the air
conditioning, air flow and air intake, and provides
optimum distribution towards the windscreen and
side windows.
► To switch it off, press this button again; its indicator lamp goes off.
With Stop & Start, when demisting
- defrosting has been activated, STOP
mode is not available.
Heated windscreen

In cold weather, this system heats the whole of
the windscreen, as well as the areas alongside
the windscreen pillars.
Without changing the settings for the air
conditioning system, it allows faster release
of the windscreen wiper blades when they
are frozen to the windscreen and helps avoid
the accumulation of snow resulting from the
operation of the windscreen wipers.
On/Off


► With the engine running, press this button to activate/deactivate the function (confirmed by an
indicator lamp).
The function is activated when the exterior
temperature drops below 0°C. It is deactivated
automatically when the engine is switched off.
► Pressing the button again switches off the system; its indicator lamp goes off.
The system is automatically deactivated every
time the engine is switched off.
Rear screen demist
- defrost



On / Off
► Press this button to demist/defrost the rear screen and, depending on version, the door
mirrors. The button indicator lamp comes on.
Defrosting switches off automatically to prevent
excessive electrical consumption.
► It is possible to stop the demisting / defrosting operation before it is switched off automatically
by pressing this button again. The button
indicator lamp goes off.
Switch off the demisting/defrosting of the rear screen and door mirrors as
soon as appropriate, as lower current
consumption results in reduced fuel
consumption.
Rear screen demisting - defrosting can
only be operated when the engine is
running.

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Driving
6audible signal, to remind you that the key is
still in the ignition switch at position 1 (Stop).
If the key has been left in the ignition switch
at position 2 (Ignition on) , the ignition will be
switched off automatically after one hour.
To switch the ignition back on, turn the key
to position 1 (Stop), then back to position 2
(Ignition on) .
Starting / Switching off the
engine with Keyless Entry
and Starting
The electronic key must be present in the
passenger compartment.
If it is not detected, a message is displayed.
Move the electronic key so that the engine
can be started or switched off.
If there is still a problem, refer to the "Key
not detected - Back-up starting or Back-up
switch-off" section.
Starting

► With a manual gearbox, place the gear lever
in neutral and fully depress the clutch pedal.
► With an automatic gearbox, select mode P or N and press the brake pedal.

► Press the "START/STOP" button while
maintaining pressure on the pedal until the
engine starts.
For Diesel engines, when the temperature is
below zero and/or the engine is cold, starting will
only occur once the preheating warning lamp is
off.
If this warning lamp comes on after pressing the " START/STOP" button:► Keep the pedal fully depressed and do not press the "START/STOP" button again until the
engine is running.
If one of the starting conditions is not met, a
message is displayed.
In some circumstances, a message indicates
that it is necessary to turn the steering wheel
while pressing the " START/STOP" button to
assist unlocking of the steering column.
With petrol engines , after a cold start,
preheating the catalytic converter can
cause noticeable engine vibrations for
anything up to 2 minutes while stationary with
the engine running (accelerated idle speed).
Switching off
► Immobilise the vehicle, with the engine at idle.► With a manual gearbox, ideally put the gear
lever into neutral.
► With an automatic gearbox, ideally select mode P or N.► Press the "START/STOP" button..
In some circumstances, it is necessary to turn
the steering wheel to lock the steering column.
If the vehicle is not immobilised, the
engine will not switch off.
With the engine off, the braking and
steering assistance systems are also cut
off - risk of loss of control of the vehicle!
Never leave your vehicle with the
electronic key still inside.

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Driving
Switching on the ignition
without starting the engine


With the electronic key in the passenger
compartment, pressing the “START/STOP”
button, without pressing any of the pedals ,
allows the ignition to be switched on without
starting the engine (turning on the instrument
panel and accessories such as the audio system
and the lighting).
► Press this button again to switch off the
ignition and allow the vehicle to be locked.
With the ignition on, the system
automatically goes into energy economy
mode to maintain an adequate state of charge
in the battery.
Key not detected
Back-up starting
A back-up reader is fitted to the steering column
so that the engine can be started if the system
does not detect the key in the recognition zone,
or if the battery in the electronic key is flat.


► Place and hold the remote control against the reader.► With a manual gearbox, place the gear lever
in neutral then fully depress the clutch pedal.
► With an automatic gearbox, select mode P,
then fully depress the brake pedal.
► Press the “START/STOP” button.
The engine starts.
Back-up switch-off

If the electronic key is not detected or is no
longer in the recognition zone, a message
appears in the instrument panel when closing a
door or trying to switch off the engine.
► To confirm the instruction to switch off the engine, press the " START/STOP" button for approximately 5 seconds.In the event of a fault with the electronic key,
contact a CITROËN dealer or a qualified
workshop.
Emergency switch-off
In the event of an emergency only, the engine
can be switched off without conditions (even
when driving).
► Press the "START/STOP" button for about 5 seconds.
In this case, the steering column locks as soon
as the vehicle stops.
Parking brake
Release

► Pull the parking brake lever up slightly, press the release button, then lower the lever fully.When driving the vehicle, if this warning lamp and the STOP warning lamp come
on, accompanied by an audible signal and the
display of a message, this means that the
parking brake is still applied or has not been fully
released.

91
Driving
6Parking brake
Release

► Pull the parking brake lever up slightly, press the release button, then lower the lever fully.When driving the vehicle, if this warning lamp and the STOP warning lamp come
on, accompanied by an audible signal and the
display of a message, this means that the
parking brake is still applied or has not been fully
released.
Application

► Pull the parking brake lever up to immobilise the vehicle.
When parking on a slope, turn the
wheels against the kerb, apply the
parking brake, engage a gear and switch off
the ignition.
When towing, parking on a steep slope,
or if your vehicle is heavily laden, turn the
wheels towards the kerb and engage a gear
(manual gearbox) or move the selector lever
to position P (automatic gearbox).
For towing, your vehicle is approved for
parking on slopes of up to 12%.
5-speed manual gearbox
Engaging reverse gear

► Fully depress the clutch pedal.► Push the gear lever fully to the right then backwards.
Only engage reverse gear when the
vehicle is stationary with the engine at
idle.
As a safety precaution and to facilitate starting the engine:
– always select neutral,– press the clutch pedal.
6-speed manual gearbox
Engaging 5th or 6th gear
► Move the lever fully to the right to engage 5th
or 6th gear.

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Driving
6start, while you transfer your foot from the brake
pedal to the accelerator pedal.
This system is only active when:
– The vehicle is completely stationary, with your foot on the brake pedal.– Certain slope conditions are met.– The driver’s door is closed.
Do not leave the vehicle while it is being
held temporarily by hill start assist.
If someone needs to get out of the vehicle
with the engine running, apply the parking
brake manually. Then check that the parking
brake indicator lamp is on fixed in the
instrument panel.
The hill start assist function cannot be deactivated. However, use of the parking
brake to immobilise the vehicle interrupts its
operation.
Operation

Facing uphill, with the vehicle stationary,
the vehicle is held for a short time when you
release the brake pedal:
– provided you are in first gear or neutral with a manual gearbox.– provided you are in mode D or M with an
automatic gearbox.


Facing downhill, with the vehicle stationary
and reverse gear engaged, the vehicle is held
for a short time when you release the brake
pedal.
Malfunction
This warning lamp comes on in the event of a malfunction, accompanied by an onscreen message.
Contact a CITROËN dealer or a qualified
workshop to have the system checked.
Stop & Start
The Stop & Start function puts the engine temporarily into standby - STOP mode - during phases when the vehicle is stopped (red lights,
queues, etc.). The engine restarts automatically
- START mode - as soon as the driver wishes to
move off again.
Primarily designed for urban use, the function
is intended to reduce fuel consumption and
exhaust emissions as well as the noise level
when stationary.
The function does not affect the functionalities of
the vehicle, in particular the braking.
Deactivation/Reactivation
The function is activated by default when the
ignition is switched on.
With / Without audio system


► Press the button.A message in the instrument panel confirms the
change of status.
When the function is deactivated, the orange
indicator lamp is lit; if the engine was in standby,
it restarts immediately.