ESP CITROEN C5 AIRCROSS 2020 Handbook (in English)
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39
If one of the doors or the boot is still open 
or if the electronic key for the Keyless 
Entry and Starting system has been left 
inside the vehicle, the central locking does 
not take place.
If the vehicle is unlocked inadvertently 
and there is then no action on the doors 
or boot, the vehicle will automatically lock 
itself again after about 30
 
seconds.
If fitted to your vehicle, the alarm will also 
be reactivated automatically.
The automatic folding and unfolding of the 
door mirrors can be deactivated via the 
vehicle's configuration menu.
As a
  safety measure, never leave the 
vehicle without taking the electronic key 
for the Keyless Entry and Starting system 
with you, even for a
  short period.
Be aware of the risk of theft of the vehicle 
when the electronic key for the 
 
K
 eyless 
Entry and Starting system is in one of the 
defined zones with the vehicle unlocked. In order to preser ve the battery in the 
electronic key and the vehicle's battery, 
the "hands-free" functions are put into 
long-term standby after 21
  days without 
use. To restore these functions, press 
one of the remote control buttons or start 
the engine with the electronic key in the 
reader.
For more information on Starting/
Switching off the engine with Keyless 
Entr y and Star ting , refer to the 
corresponding section.
Locking the vehicle
Normal locking
Closing the windows and the sunroof
Maintaining pressure on the door handle or 
the tailgate control allows the windows and, 
depending on version, the sunroof to be closed 
to the desired position.
This operation also closes the sunroof blind.
F
 
W
ith the electronic key in recognition  
zone A , press on the door handle of one of 
the front doors (at the markings) or on the 
locking control located on the tailgate (on 
the right of the control). It is not possible to lock the vehicle if one of the 
electronic keys is left inside the vehicle.
Make sure that no item or person could 
prevent the correct closing of the windows 
and sunroof.
Be particularly aware of children when 
operating the windows.
Illumination of the direction indicators for a
  few 
seconds signals:
-
 
t
 he locking of the vehicle for versions 
without alarm,
-
 
t
 he activation of the alarm for other 
versions.
Depending on version, the door mirrors fold.
For safety and theft protection reasons, 
never leave the electronic key in the 
vehicle, even when you are close to it.
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Central locking
Manual
F Press this button to operate the central locking of the vehicle (doors, boot and 
fuel filler flap) from inside the vehicle. The 
indicator lamp in the button comes on.
F
 
P
 ressing the button again unlocks the 
vehicle completely. The indicator lamp in 
the button goes off.
The indicator lamp also goes off when 
unlocking one or more doors.
The central locking does not take place if 
one of the doors is open. When locking/deadlocking from the 
outside
When the vehicle is locked or deadlocked 
from the outside, the red indicator lamp 
flashes and the button is inactive.
F
 
A
 fter normal locking, pull one of the 
interior door controls to unlock the 
vehicle.
F  
A
 fter deadlocking, it is necessary to 
use the remote control, Keyless Entry 
and Starting or the integral key to 
unlock the vehicle.
Automatic (anti-intrusion 
security)
To activate/deactivate this function (activated 
by default):
Transpor ting long or bulky objects
Pressing the central locking button 
unlocks the vehicle.
Above 6
  mph (10   km/h), this unlocking is 
te m p o r a r y. F
 
P
 ress the button until an audible 
signal is heard and a
  message 
appears in the screen.
Back-up procedures
Lost keys, remote control, 
electronic key
Visit a CITROËN dealer with the vehicle's 
r egistration certificate, your personal 
identification documents and if possible, the 
label bearing the key code.
The CITROËN dealer will be able to retrieve the 
key code and the transponder code required to 
order a
  new key
Complete unlocking/locking 
of the vehicle with the key
Use these procedures in the following cases:
- r emote control battery discharged,
-
 
r
 emote control fault,
-
 b
attery failure,
-
 
v
 ehicle in an area subject to strong 
electromagnetic interference.
In the first case, change the remote control 
battery.
In the second case, reinitialise the remote 
control.
Refer to the corresponding sections.
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If the vehicle is fitted with an alarm, this 
function will not be activated when locking 
with the key.
If the alarm is activated, the siren sounds 
on opening the door; switch on the ignition 
to stop it.
Central locking not 
functioning
Use these procedures in the following cases:
- c entral locking fault,
-
 b
attery disconnected or discharged. In the event of a
  malfunction with the 
central locking system, the battery must 
be disconnected to lock the boot and thus 
ensure that the vehicle is locked fully.
Driver's door
F Turn the key towards the rear of the vehicle  to lock it, or towards the front to unlock it.
Passenger doors
Unlocking
F P ull the interior door opening handle.
Locking
F
 
O
 pen the door.
F
 
F
 or the rear doors, check that the child 
lock is not on. Refer to the corresponding 
section. F
 
R
 emove the black cap on the edge of the 
door (example: right-hand rear door), using 
t h e key.
F  W ithout forcing, insert the key into the 
aperture; then, without turning it, move the 
latch sideways towards the inside of the 
d o o r.
F
 
R
 emove the key and refit the black cap.
F
 
C
 lose the doors and check from the outside 
that the vehicle is locked.
Changing the battery
A message is displayed in the instrument panel 
when the battery needs changing.
Version without Keyless Entr y and Star ting
Batter y type: CR1620/3
  volts.
F
 
I
nsert the key in the door lock.
F
 
T
urn the key towards the front /rear to lock /
unlock the vehicle.
F
 
T
urn the key rear wards again within 
5
 
seconds of locking to deadlock the 
vehicle.
For versions without alarm, the lighting of the 
direction indicators for a
 
few seconds confirms 
that the procedure has completed correctly. 
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Version with Keyless Entr y and Star ting
Batter y type: CR2032/3  volts.
F
 
U
 nclip the cover by inserting a   small 
screwdriver in the slot and raise the cover.
F
 
R
 emove the flat battery from its housing.
F
 
I
 nsert the new battery with the correct 
polarity and clip the cover onto the housing. Do not throw remote control batteries 
away as they contain metals which are 
harmful to the environment. Take them 
to an approved collection point.Reinitialising the remote 
control
F Reinitialise the remote control.
For more information on Reinitialising the 
remote control
, refer to the corresponding 
section.
Following replacement of the battery or in 
the event of a
  remote control fault, it may be 
necessary to reinitialise the remote control.
If the problem persists, contact 
a
  CITROËN dealer or a   qualified 
workshop as soon as possible.
Version without Keyless Entry 
and Starting
F Switch off the ignition.
F  T urn the key to position 2 (Ignition on) .
F
 
I
 mmediately press the closed padlock 
button for a
  few seconds.
F
 
S
 witch off the ignition and remove the key 
from the switch.
The remote control is now fully operational 
again.
Version with Keyless Entry and 
Starting
F Place the mechanical key (integral with the  remote control) in the lock to unlock your 
vehicle.
F
 
P
 lace the electronic key against the back-up 
reader on the steering column and hold it 
there until the ignition is switched on.
F
 
W
 ith a   manual gearbox, place the gear 
lever in neutral then depress the clutch 
pedal fully.
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F With an automatic gearbox, from mode P, 
fully depress the brake pedal.
F
 
S
 witch on the ignition by pressing the 
" START/STOP " button.
The electronic key is now fully operational 
again.
If the fault persists after reinitialisation, contact 
a
  CITROËN dealer or a   qualified workshop 
without delay.
Doors
Opening
From outside
F After unlocking the vehicle or with the  electronic key of the Keyless Entry and 
Starting system in the recognition zone, pull 
the door handle. When selective unlocking is activated, the 
first press of the remote control unlocking 
button permits unlocking of the driver's 
d o o r o n l y.
From inside
F Pull the interior opening control of a
  front 
door; this unlocks the vehicle completely.
When selective unlocking is activated:
-
 
o
 pening the driver's door unlocks the 
driver's door only (if the vehicle has not 
already been completely unlocked),
-
 o
pening one of the passenger doors 
unlocks the rest of the vehicle.
The interior opening control on a
  rear door 
does not work if the child lock is on.
For more information on the Child lock , 
refer to the corresponding section.
Closing
When a door is not closed correctly:
-  w ith the engine running or the vehicle 
moving (speed below 6
  mph (10   km/h)), a 
message appears in the screen.
-
 
w
 ith the vehicle moving (speed above 
6
  mph (10   km/h)), a message appears in 
the screen, accompanied by an audible 
signal.
Boot
Opening
F With the vehicle unlocked or with the  electronic key of the Keyless Entry and 
Starting system in the recognition zone, 
press the left-hand button on the central 
tailgate control.
F
 
L
 ift the tailgate.
When selective unlocking is activated, the 
electronic key must be close to the rear of 
the vehicle. 
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For more information on the Remote control 
or on the Keyless Entr y and Star ting , refer to 
the corresponding section.
If there is a
  fault or if it is difficult to move 
the tailgate when opening or closing 
it, have it checked as soon as possible 
by a
  CITROËN dealer or a   qualified 
workshop to prevent the problem 
becoming worse, and potentially causing 
the tailgate to drop and thereby inflicting 
serious injuries.
The tailgate is not designed to support 
a
  bicycle carrier.
Closing
F Lower the tailgate using the interior grab handle.
If the tailgate is not fully closed:
-
 
w
 ith the engine running or the vehicle 
moving (speed below 6
  mph (10   km/h)), a 
message appears in the screen.
-
 
w
 ith the vehicle moving (speed above 
6
  mph (10   km/h)), a message appears in 
the screen, accompanied by an audible 
signal.
Back-up release
To manually unlock the boot in the event of 
a   battery or central locking failure.
To unlock the boot
F Fold the rear seats to gain access to the  lock from inside the boot.
F
 
I
 nsert a   small screwdriver into hole A of the 
lock.
F
 
M
 ove the latch to the left.
To re-lock the boot
If the problem persists, the boot will remain 
locked after opening and closing.
Hands-free tailgate
The motorised tailgate must only be operated 
with the vehicle stationary. Check that there is enough space to 
allow for the movement of the motorised 
tailgate.
Never introduce a
  finger in the locking 
system of the motorised tailgate – risk of 
a
 
 serious injury!
Safety anti-pinch
The motorised tailgate has an obstacle 
detection system that automatically interrupts 
and reverses its movement by a
  few degrees to 
allow the obstacle to be cleared.
Please note that this anti-pinch system is not 
active at the end of the closing travel (around 
1
 
cm from completely closed).
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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.
Electric windows
Manual operation
To open or close the window, press or pull the 
switch gently, without exceeding the point of 
resistance. The window stops as soon as the 
switch is released.
Automatic operation
F To open/close the window, press/pull the  switch beyond the resistance point: the 
window opens/closes completely when the 
switch is released.
Operating the switch again stops the movement 
of the window.
The electric window switches remain 
operational for approximately 45
 
seconds 
after switching off the ignition.
Once this time has elapsed, the electric 
windows will not operate. To reactivate 
them, switch the ignition on again.
Deactivating the rear 
controls for the rear 
windows
1. Left-hand front.
2. Right-hand front.
3. Right-hand rear.
4. Left-hand rear.
5. Deactivation of the electric window 
controls located at the rear seats.
Safety anti-pinch
When the window rises and meets an obstacle, 
it stops and immediately partially lowers again. The red indicator lamp in the button comes 
on, accompanied by a
  message confirming 
activation of the system. It remains on for as 
long as the deactivation is maintained.
Use of the rear electric windows from the 
driver's controls remains possible. For your children's safety, press switch 
5   to prevent operation of the rear windows 
irrespective of their positions.
Reinitialising the electric 
windows
Following reconnection of the battery, or if 
the windows move abnormally, the anti-pinch 
function must be reinitialised.
The safety anti-pinch function is not active 
during these operations.
For each of the windows:
F
 
L
 ower the window fully, then raise it; it will 
rise in steps of a
  few centimetres each time 
the control is pressed. Repeat the operation 
until the window is fully closed.
F
 
C
 ontinue to pull the switch for at least one 
second after reaching the window closed 
position.
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Using buttons M/1/2
F T ake your seat and switch on the ignition.
F
 
A
 djust your seat and the door mirrors.
F
 
P
 ress button M , then press button 1
  or 
2
  within 4   seconds.
An audible signal confirms the memorisation.
Memorising a
  new position cancels the 
previous position.
Recalling a  stored position
With the ignition on or engine running
F
 P ress button 1   or 2   to recall the 
corresponding position.
An audible signal sounds when the adjustment 
is finished.
You can interrupt the current movement by 
pressing button M , 1
  or 2   or by using one of the 
seat adjustment controls.
A stored position cannot be recalled while 
driving.
Recalling stored positions is deactivated 
45
  seconds after switching off the ignition.
Heated seats
F Press the button corresponding to your  seat.
F
 
E
 ach press changes the level of heating; the 
corresponding number of indicator lamps 
come on (low/medium/high).
F
 
P
 ress the button again until all the indicator 
lamps are off.
The state of the system stays in the memory 
when the ignition is switched off.
Do not use the function when the seat is 
not occupied.
Reduce the intensity of the heating as 
soon as possible.
When the seat and passenger 
compartment have reached an adequate 
temperature, stop the function; reducing 
the consumption of electrical current 
reduces fuel consumption. Prolonged use is not recommended for 
persons with sensitive skin.
There is a
  risk of burns for people whose 
perception of heat is impaired (illness, 
taking medication, etc.).
There is a   risk of overheating the system if 
material with insulating properties is used, 
such as cushions or seat covers.
Do not use the system:
-  i f wearing damp clothing,
-  i f child seats are fitted.
To avoid breaking the heating element in 
the seat:
-
 
d
 o not place heavy objects on the seat,
-
 
d
 o not kneel or stand on the seat,
-
 
d
 o not place sharp objects on the seat,
-
 
d
 o not spill liquids onto the seat.
To avoid the risk of short-circuit:
-
 
d
 o not use liquid products for cleaning 
the seat,
-
 n
ever use the heating function when 
the seat is damp.
Multi-point massage
System with a choice of type of massage and 
ad justment of its intensity.
This system operates with the engine running, 
as well as in STOP mode of Stop & Start.
3 
Ease of use and comfort  
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The massage settings are adjusted in the touch 
screen.
The function is activated using the button on 
the front seat.F
 
P
 ress this button; its indicator 
lamp comes on.
The function is activated immediately with the 
last settings memorised and the settings page 
is displayed in the touch screen.
If the settings suit you and you make no 
changes, the display returns to its original 
state.
If you want to change the settings:
F
 
s
 elect another type of massage from the 
five offered,
F
 
s
 elect a   massage intensity from the three 
levels offered: " 1" (Low), " 2" (Normal) or " 3" 
(High).
The changes are applied immediately.
Once activated, the system starts a
  one hour 
massage cycle, made up of sequences of 
6
  minutes of massage followed by 4   minutes 
at rest.
The system stops automatically at the end of 
the cycle; the indicator lamp for the button goes 
of f.Steering wheel adjustment
F When stationary , pull the control A to 
release the steering wheel.
F
 
A
 djust the height and reach to suit your 
driving position.
F
 
P
 ush the control A to lock the steering 
wheel.
For safety reasons, these adjustments 
must only be carried out with the vehicle 
stationary.
Mirrors
Door mirrors
Each fitted with an adjustable mirror glass 
providing the lateral rear ward vision necessary 
for overtaking or parking.
Demisting/Defrosting
If fitted to your vehicle, the 
demisting/defrosting of the door 
mirrors is done by pressing the rear 
screen defrosting control.
Adjustment
They can also be folded for parking in narrow 
spaces.
For more information on Rear screen demist – 
defrost , refer to the corresponding section.
F
 
M
 ove control A to the right or to the left to 
select the corresponding mirror.
F
 
M
 ove control B in any of the four directions 
to adjust.
F
 
R
 eturn control A to its central position. 
Ease of use and comfort  
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Rear seats
The 3 seats of the 2nd row are independent 
and of the same width. Their backrests are 
adjustable to adapt the boot load space.
Rear head restraints
The rear head restraints can be removed.
To remove a   head restraint:
F
 
p
 ull the head restraint as far up as it will go,
F
 
p
 ress the lugs A to release the head 
restraint and remove it completely,
F
 
s
 tow the head restraint.
To refit a
  head restraint:
F
 
i
 nsert the head restraint rods into the guides 
in the corresponding seat backrest,
F
 
p
 ush the head restraint down as far as it will 
go,
F
 
p
 ress the lugs A to release the head 
restraint and push it fully 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.
Longitudinal adjustment
Seat operations must only be done with 
the vehicle stationary.
Each seat can be adjusted individually.
F
 
Ra
 ise the control and slide the seat 
forwards or backwards.
They have two positions:
-
 
a  high position , for when the seat is in use:
F
 
p
ull the head restraint fully up.
-
 
a  low position , for stowing, when the seat 
is not in use:
F
 
p
ress the lugs A to release the head 
restraint and push it fully down.
Once the backrest is folded, it is no longer 
possible to slide the seat.
Automatic "electrochrome " model
This system automatically and progressively 
changes between day and night use by means 
of a
 
s
 ensor measuring the light coming from the 
rear of the vehicle.
In order to ensure optimum visibility during 
your manoeuvres, the mirror lightens 
automatically when reverse gear is 
engaged. 
Ease of use and comfort