2021 CITROEN C4 AIRCROSS battery

41
If the battery is disconnected, the
settings memory is cleared and
the default choice (ON) is restored
automatically.As a safety measure, it is
recommended that you stop for a break
every two
hours.
You can activate or deactivate the sound
associated with the INFO
button.
Activation / deactivation of the
"INFO" button sound
In the menu screen:
F
p
ress the INFO button to select
the INFO button sound activation
/
deactivation symbol (located in
menu 2/3) :
F

p
ress and hold the INFO button for a few
seconds to scroll the choices (ON, OFF) in
succession.
The mode selected is confirmed.
Changing the display interval of
the "REST REMINDER" message
The "REST REMINDER" function allows you to programme
an alert message reminding you to take a break.
The "REST REMINDER" message appears accompanied
by an audible signal.
You can change the display interval of the "REST
REMINDER" message.
In the menu screen:
F
p ress the INFO button to select "ALARM"
(located in menu 2/3) :
F

p
ress and hold the INFO button for a few
seconds to display the "ALARM" screen,F
p ress the INFO
button to select the display
interval of the "REST REMINDER"
message,
F

p
ress and hold the INFO button for a
few seconds to confirm.
If the battery is disconnected, the
settings memory is cleared and
the default value (OFF) is restored
automatically.
1
Monitoring

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

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").
2
access

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.
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

72
Front seats
Electric adjustments
Forwards-backwards
F Push the control for wards or rear wards to slide the seat.
Seat backrest angle
F Tilt the control for wards or rear wards to adjust the angle of the seat backrest.
Driver's seat cushion height
and angle
F Pull or push the front part of the control upwards or downwards to raise or lower the
front of the seat cushion.
F

P
ull or push the rear part of the control
upwards or downwards to raise or lower the
rear of the seat cushion.
F

P
ull or push all of the control upwards or
downwards to raise or lower the whole seat
cushion.
To avoid discharging the battery, carry out
these adjustments with the engine running.
Before moving the seat backwards,
ensure that there is nothing that might
prevent the full travel of the seat, so
as to avoid the risk of of jamming the
seat caused by the presence of objects
on the floor behind the seat or rear
passengers. If the seat jams, stop the
movement immediately.
Comfort

93
Front armrest
Pull the right-hand lever to open the storage
compartment lid, which serves as an armrest.
To close, fold down the lid until it locks.Pull the left-hand lever to open the lid.
To close, fold down the lid until it locks.
This storage compartment may contain up
to 3 accessory sockets.This operates when the ignition switch is in the
"LOCK", "ACC" or "ON" position.
Open the cover of the front armrest to gain
access to the socket.
Upper storage compartment
Lower storage compartment
Check that the electrical equipment
operates on 12 V and that its maximum
electrical power is 120 W.
The prolonged use of electrical
equipment without running the engine
may discharge the battery.
12 V socket
(120 W max)
3
Comfort

98
Starting - stopping the engine with the key
- Position 1: LOCK The steering is locked.
-

P
osition 2: ACC
T

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

P
osition 3: ON
I

gnition on.
-

P
osition 4: S TA R T
S

tarting the engine.
Ignition switch
If you use the accessories for a
prolonged period (with the key in
position 2 (ACC) ), you risk discharging
the battery. Starting your vehicle will
then no longer be possible. Be aware .
See the "Automatic power cut-off to
accessories" section.
Key in ignition
A buzzer sounds on opening the
driver's door, if the key has been left in
the ignition.
F

I

nsert the key in the ignition switch.
F

T

urn the key to position
2 (ACC) and unlock
the steering column, by turning wheel
s li g ht l y.
F

P

ress and hold the brake pedal.
F

F

ully depress the clutch pedal (vehicles
fitted with a manual gearbox).
F

P

ut the gear lever into neutral (vehicles
fitted with a manual gearbox), or in
position


P (vehicles fitted with a CVT
gearbox).
F

O

perate the starter by turning the key to
position 4 (S TA R T ) .
F

O

nce the engine is running, release
the

key.
T

he key returns automatically to
position


3


(ON)
.
Starting using the key Stopping
F Immobilise the vehicle.
F
P ut the gear lever into neutral (vehicles
fitted with a manual gearbox), or in
position


P (vehicles fitted with a CVT
gearbox).
F

W
hile pressing the key, turn it to
position


1 (LOCK).
F

R
emove the key from the ignition switch.
F

L
ock the steering.Do not attach any heavy objects to the
key as this could weigh down on it when
in the ignition switch and cause a fault.
For Diesel vehicles, when the engine
is cold wait with the ignition switch
in position 3 (ON) until the preheater
warning lamp goes off, before turning
the key to position 4 (S TA R T ) .
The warning lamp does not come on
when the engine is hot. Switching off the engine leads to a loss
of braking assistance.
Driving