CITROEN C3 AIRCROSS 2021 Handbook (in English)
Manufacturer: CITROEN, Model Year: 2021, Model line: C3 AIRCROSS, Model: CITROEN C3 AIRCROSS 2021Pages: 244, PDF Size: 6.29 MB
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3
 
The rear head restraints can be removed.
To remove a head restraint:
► release the backrest using the control 1,► tilt the backrest slightly forwards,► pull the head restraint as far up as it will go,► press the lug A to release the head restraint 
and remove it completely,
► stow the head restraint.To refit a head restraint:► insert the head restraint rods into the guides in the corresponding seat backrest,► push the head restraint down as far as it will go,► press the lug A to free the head restraint and 
push it down.
Never drive with passengers seated at 
the rear when the head restraints are 
removed; they must be in place and in the 
high position.
The head restraint for the centre seat and 
those for outer seats are not interchangeable.
Longitudinal seat 
adjustment (depending on 
version)
Folding or unfolding the seats must only 
be done with the vehicle stationary.
Each 2/3 - 1/3 part can be adjusted individually.
 
 
► Raise the control and slide the bench seat forwards or backwards.
Adjusting the backrest  angle (depending on 
version)
Several adjustment positions are possible. 
 
► Move the seat forward.► Pull the strap forward, then tilt the backrest to the desired position.
Sit in the seat to perform the 
adjustments.
Folding the backrests
Manoeuvring the seat backrests must 
only be done with the vehicle stationary.
First steps:
   
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► Lower the head restraints.► If necessary, move the front seats forward.► Pull the seats fully back (depending on version).► Check that no person or object will interfere with folding down the backrests (clothing, 
luggage, etc.).
► Check that the outer seat belts are properly tensioned along the pillars, that the central belt 
is stowed and that the tongues of the three belts 
are correctly in the storage position.
Depending on version, the seat backrests are 
equipped with a handle (bench seat with fixed 
cushions) or a strap (bench seat on rails).
 
 
► Operate backrest release handle 1 or pull 
strap 2.
► Guide backrest 3 down to the horizontal 
position.
If the backrest is equipped with a strap, it 
it not necessary to guide it down.
If the backrest is equipped with a handle, 
its red indicator is visible when it is 
released.
Returning the backrests to 
their original position
First check that the outer seat belts are 
lying vertically alongside the backrest 
latching rings.
 
 
► Put backrest 3 in the upright position and 
push firmly to latch it home.
► Check that release grip 1 has properly 
returned to its position and that the red indicator 
is no longer visible (depending on the version 
you have).
► Ensure that the outer seat belts are not trapped during the manoeuvre.
When returning the rear seat backrest to 
its original position, take care not to trap 
the seat belts and ensure that their buckles 
are positioned correctly.
The contents of the boot may be thrown 
forward - Risk of serious injury!
Steering wheel 
adjustment 
 
► When stationary, pull the control lever 
to release the steering wheel adjustment 
mechanism.
►  Adjust the height and reach to suit your driving position.►  Push the control lever to lock the steering wheel adjustment mechanism.
As a safety measure, these adjustments 
should only be carried out with the 
vehicle stationary.  
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3Steering wheel 
adjustment
 
 
► When stationary, pull the control lever 
to release the steering wheel adjustment 
mechanism.
► Adjust the height and reach to suit your driving position.► Push the control lever to lock the steering wheel adjustment mechanism.
As a safety measure, these adjustments  should only be carried out with the 
vehicle stationary.
Mirrors
Door mirrors 
 
Demisting - Defrosting
Demisting-defrosting of the door mirrors operates with the engine running, by 
switching on the heated rear screen.
For more information on  Demisting - defrosting 
the rear screen , refer to the corresponding 
section.
Adjustment 
 
► Move control A or turn control C (depending 
on the version you have) to the right or to the left 
to select the corresponding mirror.
► Move control B or C (depending on the 
version you have) in any of the four directions to 
adjust.
► Return control A or C (depending on the 
version you have) to its centre position.
As a safety measure, the mirrors should  be adjusted to reduce the "blind spots".
The objects observed are, in reality, closer 
than they appear.
Take this into account in order to correctly 
judge the distance of vehicles approaching 
from behind.
Manual folding
You can manually fold the mirrors (parking 
obstruction, narrow garage, etc.)   
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► Turn the mirror towards the vehicle. 
Electric folding
Depending on equipment, the mirrors can be 
folded electrically, when the vehicle is parked.
► From the inside, with the ignition on, place control A in the 
central position.
► Pull control A backwards.
► Lock the vehicle from the outside.
Electric unfolding 
Door mirrors are unfolded electrically with the 
remote control or the Keyless Entry and Starting 
system when the vehicle is unlocked. Unless 
folding was selected with control  A, pull the 
control backwards in the centre position.
Folding/unfolding during locking/
unlocking can be disabled. Contact a 
CITROËN dealer or a qualified workshop.
If necessary, the mirrors can be folded 
manually.
Rear view mirror
Equipped with an anti-dazzle system, which 
darkens the mirror glass and reduces the 
nuisance to the driver caused by the sun, 
headlights of other vehicles, etc.
Manual model
Day/night position
 
 
► Pull the lever to change to the anti-dazzle "night” position.
► Push the lever to change to the normal "day" position.
Adjustment
► Set the mirror to the normal “day” position.
Automatic "electrochrome" model 
 
This system automatically and progressively 
transitions between day and night modes, using 
a sensor that measures the light entering from 
the rear of the vehicle.
To ensure optimum visibility during your  manoeuvres, the mirror lightens 
automatically when reverse gear is engaged.
Ventilation
Air intake
The air circulating in the passenger compartment 
is filtered and originates either from the 
exterior, via the grille located at the base of the 
windscreen, or from the inside in air recirculation 
mode.
Controls
Depending on version, the controls are 
accessible in the " Air conditioning" touch 
screen menu or are grouped together in the 
control panel on the centre console.
The demisting/defrosting controls for the 
windscreen and the rear screen are located 
below the touch screen, or on the centre console 
panel located below the audio system.
Air distribution 
 
1. Windscreen demisting/defrosting vents
2. Front side window demisting/defrosting vents
3.Adjustable and closable side air vents
4. Adjustable and closable central air vents
5. Air outlets to the front footwells
6. Air outlets to the rear footwells
Advice
Using the ventilation and air 
conditioning system
►  To ensure that air is distributed evenly, keep the external air intake grilles at the base 
of the windscreen, the nozzles, the vents, the 
air outlets and the air extractor in the boot 
free from obstructions.
►  Do not cover the sunshine sensor located on the dashboard; this sensor is used to 
regulate the automatic air conditioning 
system.
► Operate the air conditioning system for at least 5 to 10 minutes once or twice a month to 
keep it in perfect working order.
► If the system does not produce cold air, switch it off and contact a CITROËN dealer or 
a qualified workshop.
When towing the maximum load on a steep 
gradient in high temperatures, switching off 
the air conditioning increases the available 
engine power, enhancing the towing capacity.
Avoid driving for too long with the 
ventilation off or with prolonged operation    
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33.Adjustable and closable side air vents
4. Adjustable and closable central air vents
5. Air outlets to the front footwells
6. Air outlets to the rear footwells
Advice
Using the ventilation and air 
conditioning system
► To ensure that air is distributed evenly, keep the external air intake grilles at the base 
of the windscreen, the nozzles, the vents, the 
air outlets and the air extractor in the boot 
free from obstructions.
► Do not cover the sunshine sensor located on the dashboard; this sensor is used to 
regulate the automatic air conditioning 
system.
► Operate the air conditioning system for at least 5 to 10 minutes once or twice a month to 
keep it in perfect working order.
► If the system does not produce cold air , switch it off and contact a CITROËN dealer or 
a qualified workshop.
When towing the maximum load on a steep 
gradient in high temperatures, switching off 
the air conditioning increases the available 
engine power, enhancing the towing capacity.
Avoid driving for too long with the 
ventilation off or with prolonged operation 
of interior air recirculation. Risk of misting and 
deterioration of the air quality!
If the interior temperature is very high after the vehicle has stood for a long 
time in the sunshine, air the passenger 
compartment for a few moments.
Put the air flow control at a setting high 
enough to quickly change the air in the 
passenger compartment.
Condensation created by the air 
conditioning results in a discharge of 
water underneath the vehicle. This is perfectly 
normal.
Servicing the ventilation and air 
conditioning system
► Ensure that the passenger compartment filter is in good condition and have the filter 
elements replaced regularly.
We recommend using a composite passenger 
compartment filter. Thanks to its special active 
additive, this type of filter helps to purify the 
air breathed by the occupants and keep the 
passenger compartment clean (by reducing 
allergic symptoms, unpleasant odours and 
greasy deposits).
► To ensure correct operation of the air conditioning system, have it checked 
according to the recommendations in the 
Maintenance and Warranty Guide.
Stop & Start
The heating and air conditioning systems 
only operate when the engine is running.
Temporarily deactivate the Stop & Start 
system to maintain a comfortable temperature 
in the passenger compartment.
For more information on the  Stop & Start, 
refer to the corresponding section.
Heating/Manual air 
conditioning
 
 
The heating only operates when the engine is 
running.
 
 
The manual air conditioning operates when the 
engine is running.
1. Recirculation of interior air
2. Temperature adjustment
3. Air distribution adjustment
4. Air flow adjustment
5. Air conditioning on/off   
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Adjusting the temperature
► Turn the control from blue (cold) to red (hot) to adjust the temperature to your liking.
Adjusting the air flow
► Turn the knob 4 to obtain a comfortable air 
flow.
Adjusting  the air distribution
Central and side air vents. 
Footwells. 
Windscreen and side windows. 
The air distribution can be adapted by 
combining the corresponding buttons.
Air conditioning ON / OFF
The air conditioning is designed to operate 
effectively in all seasons, with the windows 
closed.
It enables you to:
– lower the temperature, in summer ,– increase the effectiveness of the demisting in winter, above 3°C.► Press this button to switch the air conditioning on/off.
The air conditioning does not operate 
when the air flow adjustment is set to off.
Automatic air conditioning
The air conditioning operates with the engine 
running, but the ventilation and its controls can 
be accessed with the ignition on.
Operation of the air conditioning and regulation 
of temperature, air flow and air distribution in the 
passenger compartment are automatic.
Press the Climate menu button to access 
the system controls.
 
 
1. Temperature adjustment
2. Air flow adjustment
3. Air distribution adjustment
4. Air conditioning on/off
5. Automatic comfort programme on/off
6. Recirculation of interior air
7. Access to the secondary page
Temperature adjustment
► Press one of the buttons  1 to increase (red) 
or decrease (blue) the value.
The value displayed corresponds to a level of 
comfort and not to a precise temperature.
For maximum cooling or heating of the 
passenger compartment, press the 
temperature setting button up or down until 
LO or HI is displayed.
Automatic comfort  programme
Activation/Deactivation
► Press button 5 to activate or deactivate the 
air conditioning system’s automatic mode.
The air conditioning system operates 
automatically: the system optimises the 
temperature, air flow and air distribution in the 
passenger compartment based on the comfort 
level selected.
► Go to the secondary page by pressing button 7 to adjust the automatic comfort programme by 
choosing one of the available settings.
“Soft”: provides soft and quiet operation by 
limiting air flow.
“Normal”: offers the best compromise between 
a comfortable temperature and quiet operation 
(default setting).
“Fast”: provides strong and effective air flow.
Mode  AUTO► To change the settings, press the button several times.
The setting is associated with AUTO mode only. However, when AUTO mode is deactivated, the 
previous selection is retained.
Changing the setting does not reactivate AUTO 
mode if this was deactivated.
In cold weather with the engine cold, the 
air flow is increased gradually until the 
comfort setting has been reached, in order to 
limit the delivery of cold air into the passenger 
compartment.
On entering the vehicle, if the interior 
temperature is much colder or warmer than 
the comfort setting requested, there is no 
need to alter the value displayed to reach 
the required level of comfort more quickly. 
The system automatically corrects the 
temperature difference as quickly as possible.
Air flow adjustment
►  Press one of the buttons 2 (- or +) to increase 
or decrease air flow.
The air flow symbol (a fan) is filled in according 
to the request.
When the air flow is reduced to a minimum, 
ventilation stops.
"OFF " is displayed alongside the fan.
Adjusting the air distribution
► Press the buttons 3 to adjust the air flow 
distribution inside the passenger compartment.   
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3The setting is associated with AUTO mode only. 
However, when AUTO mode is deactivated, the 
previous selection is retained.
Changing the setting does not reactivate AUTO 
mode if this was deactivated.
In cold weather with the engine cold, the 
air flow is increased gradually until the 
comfort setting has been reached, in order to 
limit the delivery of cold air into the passenger 
compartment.
On entering the vehicle, if the interior 
temperature is much colder or warmer than 
the comfort setting requested, there is no 
need to alter the value displayed to reach 
the required level of comfort more quickly. 
The system automatically corrects the 
temperature difference as quickly as possible.
Air flow adjustment
► Press one of the buttons 2 (- or +) to increase 
or decrease air flow.
The air flow symbol (a fan) is filled in according 
to the request.
When the air flow is reduced to a minimum, 
ventilation stops.
"OFF " is displayed alongside the fan.
Adjusting the air distribution
► Press the buttons 3 to adjust the air flow 
distribution inside the passenger compartment.
Windscreen. 
Central and side air vents. 
Footwells. 
Each press on a button activates or deactivates 
the function.
All three buttons can be activated  simultaneously. In this case, priority is 
given to the air flows from the central and side 
air vents, and from those in the passenger 
footwells.
Air conditioning on / off
The air conditioning system is designed to 
operate effectively in all seasons, with the 
windows closed.
It is used to:
– lower the temperature in summer ,– increase the effectiveness of the demisting in winter, above 3°C.
► Press button 4 to turn the air conditioning on/
off.
When the indicator lamp is on, the air 
conditioning function is activated.
The air conditioning cannot operate when  the air flow adjustment is set to OFF.
Ventilation  function with the 
ignition on
When the ignition is switched on, you can 
use the ventilation system to adjust the  air 
flow  settings and the air distribution  in the 
passenger compartment for a duration which 
depends on the battery charge.
This function does not operate the air 
conditioning.
Recirculation of interior air
The intake of exterior air helps avoid and 
eliminate misting of the windscreen and side 
windows.
Recirculating the interior air isolates the 
passenger compartment from exterior odours 
and fumes.
When required, this function also allows 
faster heating or cooling of the air in the 
passenger compartment.
► Press button 6 to recirculate the interior air or 
allow the intake of exterior air.
Avoid prolonged use of interior air  recirculation (due to the risk of misting 
and deteriorating air quality).   
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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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3On / 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.
Front fittings1. Sun visor
2. Glove box
3. 12 V accessory socket (max. 120 W).
4. USB socket
5. Open storage compartment
6. Open storage compartment with double cup 
holder
7. Front armrest
(depending on version)
8. Storage trays
9. Open storage compartment with cup holder
Sun visor 
 
The sun visors are fitted with a vanity mirror 
with concealing flap and a card holder (or ticket 
holder).   
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Glove box 
 
► To open the glove box, pull the handle 
towards you.
It contains the front passenger airbag 
deactivation switch.
12 V accessory sockets 
 
► Always use the correct adapter to connect a 
12 V accessory (max. power: 120 W).
Observe the maximum power rating to 
avoid damaging your accessory.
The connection of an electrical device  not approved by CITROËN, such as a 
USB charger, may adversely affect the 
operation of vehicle electrical systems, 
causing faults such as poor radio reception or 
interference with displays in the screens.
Wireless smartphone 
charger
 
  
 
It allows wireless charging of a portable device 
such as a smartphone, using the magnetic 
induction principle, in accordance with the Qi 1.1 
standard.
The portable device to be charged must be 
compatible with the Qi standard, either by design 
or by using a compatible holder or shell.
The charging area is identified by the Qi symbol.
The charger works with the engine running and 
with the Stop & Start system in STOP mode.
Charging is managed by the smartphone.
With Keyless Entry and Starting, the charger’s 
operation may be briefly disrupted when a door 
is opened or the ignition is switched off.
Charging
► With the charging area clear , place a device in its centre. 
 
When the portable device is detected, the 
charger’s indicator lamp lights up green. It 
remains lit for the whole time that the battery is 
being charged.
The system is not designed to charge 
multiple devices simultaneously.
 
 
Do not leave any metal objects (coins, 
keys, vehicle remote control, etc.) in the 
charging area while a device is being 
charged, due to the risk of overheating or 
interrupting the charging process.
Operating check
The state of the indicator lamp allows the 
operation of the charger to be monitored.