2021 CITROEN C4 AIRCROSS ECO mode

45
If no action is carried out within
10 seconds, the selection menu closes
automatically.
To select the mode:
F

P

ress the "
PWR / VOL " button to switch on
the audio system.
F

P

ress the MENU
button.
F

P

ress the SEL
knob to scroll through
the menus and select " RDS setting -
CT ON - CT OFF " (clock time).
F

T

urn the SEL
knob to the left or to the right
to select " CT OFF" (manual mode)
or " CT ON
" (automatic mode).
F

P

ress the SEL
knob to confirm.
The digital clock does not display
seconds.
The time setting is lost if the battery is
disconnected.
Manual adjustment
F Press the PWR / VOL button to switch on
the audio system.
F

P
ress the MENU button.
F

P
ress the SEL knob to run scroll through
the menus and select " Time Setting
Adjust ".
F

T
urn the SEL knob to select " ON" for
access to time setting.
F

P
ress the SEL knob to confirm.
F

T
urn the SEL knob to adjust the time.
F

P
ress the SEL knob to confirm.
1
Monitoring

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.
2
Access

65
For all work on the alarm system,
contact a CITROËN dealer or a
qualified workshop.
Alarm*System which protects and provides a deterrent against theft and break-ins. It provides the following types of monitoring:
- perimeter
The system checks for any opening of the vehicle.
The alarm is triggered if anyone tries to open a
door, the boot, the bonnet...
- volumetric
The system checks for any variation in the
volume in the passenger compartment.
The alarm is triggered if anyone breaks a
window, enters the passenger compartment or
moves inside the vehicle.
- tilt
The system checks for any change in the
attitude of the vehicle.
The alarm is triggered if the vehicle is lifted,
moved or knocked.
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 are put out of service
or damaged.
Locking the vehicle with full
alarm system
Activation
F Switch off the ignition (OFF mode if your
vehicle has the Keyless Entry and Starting
syste m).
F

R
emove the key from the ignition switch,
if your vehicle does not have the "Keyless
Entry and Starting" system.
F

L
eave the vehicle, and close all the doors
and the bonnet.
F

P
ress the locking button on the remote
control or one of the door or boot buttons
if your vehicle has the "Keyless Entry and
Starting" system.
Deactivation
Do one of the the following to deactivate the
alarm:
F

P
ress the unlocking button on the remote
control or one of the door or boot buttons
if your vehicle has the "Keyless Entry and
Starting" system.
F

S
witch on the ignition (ON mode if your
vehicle has the "Keyless Entry and
Starting" system).
F

O
pen a door or the boot while the system is
being activated.
The alarm system is deactivated: the indicator
lamp A goes off.
The alarm is being activated: the indicator
lamp
A flashes rapidly accompanied by
an intermittent audible signal for about
20
s
econds.
Once the 20 seconds have expired, the
system is active . The audible signal stops and
the indicator lamp in the button flashes slowly.
* According to equipment.
2
Access

66
Locking the vehicle with
perimeter monitoring only
Deactivate the interior volumetric and tilt
monitoring to avoid unwanted triggering of the
alarm in certain cases, such as:
-
a
n animal left in the vehicle,
-

a w
indow left partly open,
-

w
ashing your vehicle.Deactivation of the interior
volumetric and tilt monitoring
Raise and hold the wiper control stalk in
the "MIST " position for about three seconds to
activate them again, the audible signal
sounds twice.
F
S
witch off the ignition and remove the
key from the ignition switch (OFF mode if
your vehicle has the "Keyless Entry and
Starting" system).
F

R

aise and hold the wiper control stalk in
the "MIST" position for about 3 seconds.
F

T

he audible signal sounds once and the
interior volumetric and tilt monitoring are
deactivated.
Access

67
Triggering of the alarm
This is indicated by sounding of the siren
and flashing of the direction indicators for
thirty seconds.
A message then appears in the instrument
panel screen while the siren is operating.
When the ignition is next switched on (ON
mode if your vehicle has the "Keyless Entry
and Starting" system), an audible signal sounds
four times to inform you that the alarm was
triggered during your absence.
Complete deactivation of
the alarm
F Switch off the ignition (OFF mode if your vehicle has the "Keyless Entry and
Starting" system).
F

R
emove the key from the ignition switch,
if your vehicle does not have the "Keyless
Entry and Starting" system.
F

O
pen the driver's door.
F

P
lace the lighting control stalk in
the " OFF"
position.
F

P
ull the wiper control stalk towards you
and hold.
A

fter about ten seconds there is an audible
signal.
F

W
hen the audible signal stops, continue to
hold the wiper stalk pulled towards you and
press the remote control locking button.
You can completely deactivate the alarm
system. To do this, proceed as follows:
F T he state of the system is then signalled to
you by the number of beeps:
O

ne beep: the alarm system is completely
deactivated.
T

wo beeps: the alarm system is activated.
E

ach new press of the remote control
locking button changes the state of the
system.
2
Access

68
Electric windows
System which opens or closes a window
manually or automatically. It is fitted with
a system which provides protection if an
obstacle is detected on one-touch models and
a deactivation system to prevent misuse of the
rear controls.Front and rear passengers'
electric windows
F With the ignition on, press or pull the switch. The window stops when you
release the switch.
Safety anti-pinch (driver's side)
In automatic mode, when the window rises and
meets an obstacle, it stops and lowers again. The electric window switches
remain operational for approximately
30
seconds after the ignition is
switched off.
The windows can no longer be opened
or closed once a front door is opened.
The rear windows do not lower fully.
1.

D

river's electric window.
2.

P

assenger's electric window.
3.
R

ear right electric window.
4.

R

ear left electric window.
5.

D

eactivating the passenger and rear
electric window switches.
Driver's one-touch electric
window
With the ignition on, you have two options:
- m anual mode
F

P
ress the switch gently to open or pull
it gently to close. The window stops as
soon as the switch is released.
-

a
utomatic mode
F

P
ress the switch fully to open or pull
it fully to close. The window opens or
closes completely when the switch is
released.
F

P
ressing the switch again stops the
movement of the window.
Access

86
Personalisation of the
Exterior air intake / Interior air
recirculation function
This function is controlled automatically.
However, you can deactivate its automatic
control if you wish to change the air intake
mode at any time.
Changing the status
Press the Air intake / Interior air recirculation
button for at least 10 seconds.
When the status changes from active to
inactive, three bleeps are heard and the
indicator lamp flashes three times.
When the status changes from inactive to
active, two bleeps are heard and the indicator
lamp flashes three times.
Automatic control active
If the air distribution adjustment dial and the air
flow adjustment dial are placed in the "AUTO"
position, the Air intake / Interior air recirculation
function is also controlled automatically.
Automatic control inactive
Even if the air distribution adjustment dial and
the air flow adjustment dial are placed in the
"AUTO" position, the Air intake / Interior air
recirculation function is no longer controlled
automatically.
The settings are retained, even after switching
off the ignition.
4. Intake of exterior air / Recirculation of interior air
This function insulates the passenger
compartment from exterior odours and smoke.
F

P
ress button 4 to select the air
intake mode.
When the indicator lamp on button 4 is off, the
exterior air intake function is on.
When the indicator lamp on button 4 is on, the
intake of exterior air is off and the system is in
air recirculation mode.
Do not drive for long periods in interior
air recirculation mode, except in truly
exceptional atmospheric conditions.
Comfort

99
Changing the mode of
the vehicle
With the electronic key inside the vehicle; each
press on the "START/STOP " button, with no
action on the pedals , changes the vehicle's
mode:
F

F
irst press (ACC mode), the button's
warning lamp comes on in orange.
T

he accessories (radio, 12V socket...) can
be used.
F

S
econd press (ON mode), the button's
warning lamp comes on in green.
S

witching on the ignition.
F

T
hird press (OFF mode), the warning lamp
in the button goes off. If you use the accessories for a
prolonged period with the ignition
switch in position 2 (ACC)
, you risk
discharging the battery. Starting your
vehicle will then no longer be possible.
Ta k e c a r e .
See the "Automatic power cut-off to
accessories" section.
Starting - stopping the engine with the Keyless Entry and
Starting system
If the warning lamp flashes orange,
contact a CITROËN dealer or a
qualified workshop as soon as possible.
F

P
ress and release the "S TA R T/
STOP " button.
F

W
ith the electronic key inside the vehicle,
depress the clutch pedal fully on vehicles
with a manual gearbox or press the brake
pedal on vehicles with a CVT gearbox.
Starting using the
electronic key
For vehicles fitted with a manual gearbox, put
the gear lever in neutral.
For vehicles fitted with a
CVT gearbox, put the
gear lever in P .
4
Driving