2023 CITROEN C4 CACTUS ECU

20
Access
When locking/deadlocking from the
outside
When the vehicle is locked or deadlocked
from the outside, the indicator lamp flashes
and the button is inoperative.
► After normal locking, pull one of the
interior door controls to unlock the vehicle.
► After 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)
The doors and boot lock automatically when
driving (speed above 6 mph (10 km/h)).
To deactivate/reactivate this function (activated
by default):
► Press the button until an audible signal is
heard and a message appears in the screen.
Transporting long or bulky objects
Press the central locking control to drive
with the boot open and the doors locked.
Otherwise, every time the speed of the
vehicle exceeds 6 mph (10 km/h), the locks
will rebound and an alert will appear.
Pressing the central locking button unlocks
the vehicle.
Above 6 mph (10 km/h), this unlocking is
temporary.
It is not possible to lock the vehicle if one of the
keys is left inside the vehicle.
Deadlocking
Deadlocking deactivates the exterior and
interior door controls, as well as the
central locking button on the dashboard.
The horn remains operational.
Never leave anyone inside the vehicle when it
is deadlocked.
►

With the electronic key in the recognition
zone, press one of the front door handles once
with your finger or thumb (at the markings) to
lock the vehicle.
►


Within 5 seconds, press the door handle
again to deadlock the vehicle.
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, central locking will be disabled.
However

, if the vehicle is fitted with an alarm,
it will be activated after 45
seconds.
If the vehicle is unlocked but the doors or
boot are not subsequently opened, the
vehicle will automatically lock itself again after
about 30
seconds. If the vehicle is fitted with
an alarm, it will also be reactivated
automatically.
The automatic door mirror folding/ unfolding function is configured via the
touch screen’s vehicle configuration menu.
As a safety measure, never leave the vehicle, even for a short time, without
taking the Keyless Entry and Starting
system’s electronic key with you.
Be aware of the risk of theft of the vehicle if
the key is present in one of the defined areas
while the vehicle is unlocked.
Accumulations (water, dust, grime, salt, etc.) on the inner surface of the door
handle may affect detection.
If cleaning the inner surface of the door
handle using a cloth does not restore
detection, contact a CITROËN dealer or a
qualified workshop.
A sudden splash of water (stream of water,
high pressure jet washer, etc.) may be
identified by the system as the desire to open
the vehicle.
To preserve the battery charge in the electronic key and the vehicle's battery,
the "hands-free" functions are set to
hibernation mode 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 with the
Keyless Entry and Starting system, refer to
the corresponding section.
Electrical interference
The electronic key may not operate if
close to certain electronic devices: telephone
(switched on or on standby), laptop computer,
strong magnetic fields, etc.
Central locking



Manual
► Press this button to lock/unlock the vehicle
(doors and boot) from inside the vehicle.
The indicator lamp comes on to confirm central
locking of the vehicle.
The central locking does not take place if one of the doors is open.

21
Access
2When locking/deadlocking from the
outside
When the vehicle is locked or deadlocked
from the outside, the indicator lamp flashes
and the button is inoperative.
►

After normal locking, pull one of the
interior door controls to unlock the vehicle.
►


After 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)
The doors and boot lock automatically when
driving (speed above 6 mph (10
km/h)).
To deactivate/reactivate this function (activated
by default):
►

Press the button until an audible signal is
heard and a message appears in the screen.
Transporting long or bulky objects
Press the central locking control to drive
with the boot open and the doors locked.
Otherwise, every time the speed of the
vehicle exceeds 6 mph (10
km/h), the locks
will rebound and an alert will appear.
Pressing the central locking button unlocks
the vehicle.
Above 6 mph (10
km/h), this unlocking is
temporary.
Back-up procedures
Lost keys, remote control,
electronic key
Visit a CITROËN dealer with the vehicle's
registration 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
Total unlocking/locking of
the vehicle with the key
Use these procedures in the following cases:
– remote control cell battery flat,
–

remote control fault,
–


vehicle in an area subject to strong
electromagnetic interference.
In the first case, you can also replace the remote
control cell battery

.
In the second case, you can also reinitialise the
remote control.
Refer to the corresponding sections.


► Insert the key in the door lock barrel.
► T urn the key towards the front of the vehicle
to unlock it, or towards the rear to lock it.
►

T
urn the key rearwards again within 5
seconds 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.
If your 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:
– central locking fault,
–

battery 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
► Turn the key towards the rear of the vehicle
to lock it, or towards the front to unlock it.

24
Access
If an opening (door or boot) is not
properly closed, the vehicle is not locked,
but the exterior perimeter monitoring will be
activated after 45 seconds.
Deactivation
► Press the remote control unlocking
button.
or
► Unlock the vehicle with the Keyless Entry and
Starting system.
The monitoring system is deactivated: the
indicator lamp in the button goes off and the
direction indicators flash for about 2 seconds.
If the vehicle automatically locks itself
again (as happens if a door or the boot is
not opened within 30 seconds of unlocking),
the monitoring system is automatically
reactivated.
Triggering of the alarm
This is indicated by sounding of the siren
and flashing of the direction indicators for 30
seconds.
Depending on the country of sale, certain
monitoring functions remain active until the alarm
has been triggered eleven times consecutively.
When the vehicle is unlocked using the remote
control or the Keyless Entry and Starting system,
rapid flashing of the red indicator lamp in the
button informs you that the alarm was triggered
Closing

► Lower the tailgate using the interior grab
handle.
If the tailgate is not fully closed:
–

with the engine running or the vehicle
moving (speed below 6 mph (10 km/h)) , a
message appears in the screen.
–


with 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.
Unlocking
► Fold the rear seats to gain access to the lock
from inside the boot.


► Insert a small screwdriver into hole A of the
lock to unlock the boot.
►

Move the latch to the left.
Locking after closing
If the fault persists after closing again, the boot
will remain locked.
In the event of a fault with the central
locking system, it is essential to
disconnect the battery to lock the boot and so
ensure complete locking of the vehicle.
Alarm
(Depending on version)



System which protects and provides a deterrent
against theft and break-ins.
Exterior perimeter monitoring
The system checks for opening of the vehicle.
The alarm is triggered if anyone tries to open a
door, the boot or the bonnet, for example.
Self-protection function
The system checks for the putting out of service
of its components.
The alarm is triggered if the battery, the central
control or the siren wiring is put out of service or
damaged.
For all work on the alarm system, contact
a CITROËN dealer or a qualified
workshop.
Locking the vehicle with full
alarm system
Activation
► Switch off the ignition and exit the vehicle.
► Lock or deadlock the vehicle using the
remote control or with the “Keyless Entry and
Starting” system.
When the monitoring system is active, the red
indicator lamp in the button flashes once per
second and the direction indicators come on for
about 2 seconds.
The exterior perimeter monitoring is activated
after 5 seconds.

25
Access
2If an opening (door or boot) is not
properly closed, the vehicle is not locked,
but the exterior perimeter monitoring will be
activated after 45
seconds.
Deactivation
► Press the remote control unlocking
button.
or
►

Unlock the vehicle with the Keyless Entry and
Starting system.
The monitoring system is deactivated: the
indicator lamp in the button goes off and the
direction indicators flash for about 2 seconds.
If the vehicle automatically locks itself
again (as happens if a door or the boot is
not opened within 30 seconds of unlocking),
the monitoring system is automatically
reactivated.
Triggering of the alarm
This is indicated by sounding of the siren
and flashing of the direction indicators for 30
seconds.
Depending on the country of sale, certain
monitoring functions remain active until the alarm
has been triggered eleven times consecutively.
When the vehicle is unlocked using the remote
control or the Keyless Entry and Starting system,
rapid flashing of the red indicator lamp in the
button informs you that the alarm was triggered during your absence. When the ignition is
switched on, this flashing stops.
Failure of the remote control
To deactivate the monitoring functions:
►
Unlock the vehicle using the key in the
driver's door lock.
►

Open the door; the alarm is triggered.
►


Switch on the ignition; this stops the alarm.
The indicator lamp in the button 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.
Malfunction
When the ignition is switched on, fixed
illumination of the red indicator lamp in the
button indicates a malfunction of the system.
Have it checked by a CITROËN dealer or a
qualified workshop.
Electric windows
1. Left-hand front.
2. Right-hand front.
Manual operation
► To open/close the window, press/pull the
switch without passing the point of resistance;
the window stops as soon as the switch is
released.
Automatic operation
► To open/close the window, press/pull the
switch past its resistance point: the window
opens/closes completely when the switch is
released.
Operating the switch again stops the movement
of the window.

26
Access
Window controls remain operational for
approximately 45 seconds after switching
off the ignition or after locking the vehicle.
After that time, the controls are disabled.
To reactivate them, switch on the ignition or
unlock the vehicle.
Anti-pinch
If the window meets an obstacle while rising, it
stops and immediately partially lowers again.
Reinitialising the electric
windows
After reconnecting the battery, or in the event
of abnormal window movement, the anti-pinch
function must be reinitialised.
The anti-pinch function is disabled during the
following sequence of operations.
For each window:
►

Lower 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.
►

Continue to pull the control upwards for at
least one second after the window reaches the
closed position.
If an electric window meets an obstacle
during operation, the movement of the
window must be reversed. To do this, press
the relevant switch.
When the driver operates the passenger
electric window switch, it is important to
ensure that nothing can prevent the window
from closing properly.
Pay particular attention to children when
operating windows.
Rear door windows
Each window can be hinged open to provide
ventilation at the rear seats.
Opening

► Turn the lever outwards.
► Push it fully to secure the window in the open
position.
Closing
► Pull the lever to release the window .
► T urn the lever fully inwards to secure the
window in the closed position.

30
Ease of use and comfort
Returning the backrest to
the normal position


► Straighten the seat backrest 2 and secure it.
► Unfasten and return the seat belts to the
sides of the backrest.
When repositioning the backrest, ensure
that the seat belts are not trapped and
the red indicator, located next to the controls
1, is no longer visible.
Rear head restraints
These have one position for use (up) and a
stowed position (down).

Interior 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,
headlamps of other vehicles, etc.
Manual model
Adjustment
► Adjust the mirror so that the glass is in the
"day" position.
Day/night position


► Pull the lever to change to the "night" anti-
dazzle position.
►

Push the lever to change to the normal "day"
position.
Automatic "electrochrome" model

This system automatically and progressively
changes between day and night use by means
of a sensor 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.
Rear seats
Bench seat with fixed one-piece cushion and
split backrest (1/3 - 2/3) which can be folded
individually to adapt the load space in the boot.
Folding the backrest

► Move the front seats forward if necessary .
► Position the seat belts on the backrest and
fasten them.
►

Place the head restraints in the low position.

► Press the corresponding control 1 to release
the backrest 2.
►

Fold the seat back
2 on to the cushion.
When folding the seat, the centre seat
belt should not be fastened but laid out
flat along the backrest.
The rear seat cushion remains fixed. To increase the boot loading volume, tilt the
bench seat backrest.

31
Ease of use and comfort
3Returning the backrest to
the normal position


► Straighten the seat backrest 2 and secure it.
► Unfasten and return the seat belts to the
sides of the backrest.
When repositioning the backrest, ensure
that the seat belts are not trapped and
the red indicator, located next to the controls
1, is no longer visible.
Rear head restraints
These have one position for use (up) and a
stowed position (down).


They can be removed and are interchangeable
side to side.
To remove a head restraint:
►

Pull the headrest upwards to the stop.
►


Then, press the lug
A.
To refit a head restraint:
►

Engage the head restraint rods in the
apertures, keeping the head restraint in line with
the seat backrest.
T

o lower a head restraint:
►

Press down on the head restraint and on the
lug

A at the same time.
Never drive with the head restraints
removed; they must be in place and
adjusted to the position for use (up).
Heating and 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
The controls are accessible in the "
Air
conditioning " menu of touch screen
A.
The demisting/defrosting controls for the
windscreen and rear screen are located below
the touch screen.
Air distribution

1. Windscreen demisting/defrosting vents
2. Front side window demisting/defrosting vents
3. Adjustable and closable side air vents
(driver’s side only)
4. Adjustable and closable central air vents
5. Air outlets to the front footwells
6. Air outlets to the rear footwells

39
Ease of use and comfort
3Front armrest
Opening

► To access the closed storage compartment,
lift the lever to open the lid.
This storage compartment can be used to house portable devices (e.g. mobile
phone, MP3 player) which can be connected
to the USB sockets or charged from the 12
V
accessories socket in the centre console.
Clothes hooks

They are located above each rear door.
Mats
Fitting

When fitting the mat for the first time, on the
driver's side use only the fasteners supplied in
the enclosed sachet.
The other mats are simply laid over the carpet.
Removing/refitting
► To remove it on the driver's side, move the
seat backwards and unclip the fasteners.
►

T
o refit it, position the mat and secure it by
pressing.
►

Check that the mat is secured correctly
.
To avoid any risk of jamming the pedals:– Only use mats which are suitable for
the fasteners already present in the vehicle;
these fasteners must be used.
–

Never fit one mat on top of another
.
The use of mats not approved by CITROËN
may interfere with access to the pedals and
hinder the operation of the cruise control/
speed limiter.
The approved mats have two fasteners
located underneath the seat.