2021 CITROEN C4 AIRCROSS Handbook (in English)

55
If you do not press the button when
folding the key, there is a risk of
damage to the mechanism.
Deadlocking using the remote
control
F Press the closed padlock to lock the vehicle completely.
F

P

ress the closed padlock again within
five seconds to deadlock the vehicle.
Folding the key
F First press this button to fold the key.
Deadlocking renders the exterior and
interior door controls inoperative.
It also deactivates the manual central
control button.
Therefore, you should never leave
anyone inside the vehicle when it is
deadlocked. Deadlocking is confirmed by the
direction indicators, which flash
three
times
.
According to version, the door mirrors
fold at the same time.
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56
"Keyless Entry and Starting" system
Selective unlocking
F With the electronic key on your person, press button B once to unlock only the
driver's door, then pull on the door handle
to open.
F

P
ress button B again to unlock the vehicle
completely.
System that allows the locking, unlocking
and starting of the vehicle while keeping the
electronic key on your person.
It can also be used as a remote control; see the
"Remote control" section.
Unlocking the vehicle
Complete unlocking
F With the electronic key on your person and in one of the defined zones A , press one
of the buttons B or C to unlock the vehicle,
then pull on the handle to open the door.
Y

our passengers can also open their
doors, as soon as the electronic key is in
one of the defined zones. Unlocking is confirmed by an audible
signal and the direction indicators which
flash twice
.
The door mirrors unfold at the same
time.
Selective unlocking is only available on
versions not fitted with deadlocking.
For security, the detection zones in
which the electronic key is operational
have a radius of about 70 cm around
each opening button.
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57
Locking the vehicle
Locking
F With the key in one of the defined zones A,
press one of the buttons B or C .
Deadlocking
Locking is confirmed by an audible
signal and the direction indicators,
which flash once.
The door mirrors fold at the same time. F

W
ith the electronic key in one of the
defined zones A , press button B or C to
lock the vehicle.
F
W
ithin five seconds, press button B or C
again to deadlock the vehicle.
Locking is confirmed by two audible
signals and by the direction indicators
which flash three times .
The door mirrors unfold at the same
time.
al
ways ensure that you have the
electronic key on your person
before locking the vehicle: in some
circumstances, it is possible to lock
the vehicle without the presence of the
electronic key having been detected
inside the vehicle. The operating mode must be "OFF".
With Stop & Start, if the engine is in
Stop mode, the vehicle cannot be
locked.
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58
Switching on the lighting
remotely
This only operates with the ignition off
and the lighting control in the " OFF"
or " AUTO " position. Remote operation of the lighting will be
switched off:
-

o
n switching on the ignition,
-

i
f the lighting control is not in the "OFF"
or " AUTO " position,
-

w
hen activating manual guide-me-home
lighting.
Press this button to switch on
the lighting remotely (illumination
of the sidelamps and dipped
beam headlamps) for a period of
30
seconds.
A second press switches off the
lighting.
Deadlocking renders the exterior and
interior door controls inoperative.
It also deactivates the manual central
control button.
Therefore, never leave anyone inside
the vehicle when it is deadlocked.
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59
Emergency procedure with the Keyless Entry and
Starting system
Unlocking
F Turn the key towards the front in the driver's door lock to unlock the vehicle.
Emergency unlocking/locking
using the integral key
The integral key is used to lock and unlock the
vehicle when the electronic key cannot operate:
-

c
ell battery flat, vehicle battery discharged
or disconnected, ...
-

v
ehicle located in an area with strong
electro-magnetic signals.
F

P
ull and hold button 1 , to extract the
integral key 2 .Locking
F Turn the key towards the rear in the driver's
door lock to lock the vehicle.
The emergency key allows you to lock
or unlock the driver's door only.
To lock or unlock the other doors, use
the interior controls (see "Locking
/
unlocking from inside").
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60
With the Keyless Entry and Starting system,
message appears in the instrument panel when
replacement of the battery is needed.
Changing the batteries
Do not throw the remote control
batteries away, they contain metals
which are harmful to the environment.
Take them to an approved collection
point.Remote control key
Battery ref.: CR1620 / 3 volts.
Electronic key
Battery ref.: CR2032 / 3 volt.
F

U

nclip the cover using a small screwdriver at the cutout.
F

L

ift off the cover.
F

R

emove the flat battery from its location.
F

F

it the new battery into its location observing the original direction of fitment.
F

C

lip the cover onto the casing. Observe the polarity when fitting the
cell battery, as it could explode.
al

ways replace the cell battery with one
that is identical or of equivalent type.
When the housing is open, take car to
protect it from water and dust.
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61
Lost electronic key
Visit a CITROËN dealer with the vehicle's registration document and your personal identification documents and if possible the key code label.
The CITROËN dealer will be able to retrieve the key code and the transponder code required to order a new key.
Electronic key
The electronic key is a sensitive system; do not operate it while it is in your pocket as there is a possibility that it may unlock the vehicle, without
you being aware of it.
Do not repeatedly press the buttons of your electronic key out of range and out of sight of your vehicle. You run the risk of stopping it from
working and the remote control would have to be reinitialised.
The electronic key cannot operate as a remote control when it is in the reader or even when the ignition is switched on.
Locking the vehicle
Driving with the doors locked may make access to the passenger compartment by the emergency services more difficult in an emergency.
As a safety precaution (with children on board), take the Keyless Entry and Starting electronic key when you leave the vehicle, even for a short
time.
Electrical interference
The Keyless Entry and Starting electronic key may not operate if close to certain electronic devices: telephone, laptop computer, strong
magnetic fields, ...
Anti-theft protection
Do not make any modifications to the electronic engine immobiliser system; this could cause malfunctions.
Don't forget to turn the steering to engage the steering lock.
When purchasing a second-hand vehicle
Have all of the keys in your possession paired by a CITROËN dealer, to ensure that only your keys allow your vehicle to be unlocked and
started.
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62
Opening
doors
From outside
F After unlocking the vehicle using the remote control or the key, pull the door
handle.
Closing
From inside
F Pull the front or rear door lever to open the door. If a door is not closed correctly, this symbol
comes on in the instrument panel screen until
the door concerned is closed.
On the driver's side, this action on the door
lever unlocks the door if it was locked.
On the passenger's side or for the rear doors,
the door must first be unlocked manually (see
"Individual controls") if it was locked.
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