2021 CITROEN C4 AIRCROSS start stop button

100
For diesel vehicles, when
the engine is cold starting
does not take place until the
pre-heater warning lamp has
gone off.
If one of the starting conditions is not
met, a reminder message appears in
the instrument panel screen. In some
circumstances, it is necessary to
turn the steering wheel slightly while
pressing the "
START/STOP " button
to assist unlocking of the steering;
a message warns you when this is
needed.
The presence of the electronic key
in the defined zone is essential. For
reasons of safety, do not leave this area
when the engine is running.
Switching off using the
electronic key
If the vehicle is not immobilised, the
engine will not stop.
This message is displayed
when the driver's door is
opened and the vehicle is not
in "OFF" mode.
F

P

ress the " START/STOP " button again to
change to "OFF" mode.
F

I

mmobilise the vehicle.
F

P

lace the gear lever in neutral for vehicles
fitted with a manual gearbox, or on P for
vehicles fitted with a CVT gearbox.
F

W

ith the electronic key inside the vehicle,
press the " START/STOP " button.
The engine stops.
The steering locks when a door is opened or on
locking the vehicle.
Each attempt at starting takes around
15 seconds. If the engine does not start, press
the "
START/STOP " button once more to try
again.
The presence of the electronic key in
the vehicle is essential for switching
on the ignition and starting only. Once
the engine has started,
make sure
that the electronic key remains with
the vehicle until the end of the journey:
other wise you would not be able to lock
the vehicle.
Switching off the engine leads to a loss
of braking assistance.
driving

101
Once the engine has started, you can
remove the electronic key from its
housing A and close the glove box.
Back-up starting with the
electronic key
The message is displayed
when you open the driver's
door and the electronic key
has not been removed from
its location A . Remember to take the electronic
key with you when you leave the vehicle.
F

P

ress the brake pedal on vehicles fitted
with a CVT gearbox or depress the clutch
pedal fully on vehicles with a manual
gearbox.
F

P

ress the "
START/STOP " button.
When the electronic key is in the defined zone
and your vehicle does not start after pressing
the " START/STOP " button:
F

O

pen the glove box.
F

I

nsert the electronic key in the location A .
Emergency stop with the
electronic key
During an emergency stop, the braking
servo assistance and steering power
assistance functions are no longer
provided. Take great care.
In the event of an emergency only
, the
engine can be stopped without any conditions.
To do this, press and hold the " S TA R T/
STOP " button for about 3 seconds or make
3

successive presses on the button.
The engine stops and the vehicle goes into
"ACC" mode.
4
Driving

111
Stop & Start (auto Stop & Go) function
Operation
Going into engine STOP mode
The "AS &G" warning lamp comes on in
the instrument panel or the instrument
panel screen and the engine goes into
standby after a few seconds:
-

w

ith a manual gearbox , with the vehicle
stationary and your foot on the brake, when
you put the gear lever into neutral and
release the clutch pedal.
Never refuel with the engine in STOP
mode; you must switch off the ignition
with the key or the START/STOP
button. When the engine is stopped
automatically, the operation of certain
vehicle systems, such as for example,
braking, power steering... are modified.
Ta k e c a r e.
Special cases: STOP mode not
available
STOP mode is not invoked when:
-
t he driver's seat belt is not fastened,
-

t
he driver's door is open,
-

t
he bonnet is open,
-

t
he minimum time period of 30 seconds
since starting the engine has not elapsed,
-

t
he vehicle has not exceeded 3 mph
(5
km/h) since the last engine start,
-

t
he vehicle has restarted less than
10
seconds ago,
-

t
he engine is needed to maintain a
comfortable temperature in the passenger
compartment,
-

d
emisting is active,
-

s
ome special conditions (battery charge,
engine temperature, braking assistance,
ambient temperature...) where the engine is
needed to assure control of a system.
-

t
he "AS &G" warning lamp is
flashing in the instrument panel.
This operation is perfectly normal.
The Stop & Start (Auto Stop & Go) function puts the engine temporarily into standby during stops in the traffic (red lights, traffic jams, or other...).
The

engine restarts automatically as soon as you want to move off. The restart takes place instantly, quickly and silently.
Per fect for urban use, the Stop & Start (Auto Stop & Go) function reduces fuel consumption and exhaust emissions as well as the noise level when
stationary.
If you move the gear lever, the "AS &G"
warning lamp flashes, accompanied by
an audible signal.
The alert stops as soon as the gear
lever is returned to the neutral position.
4
driving

112
Going into engine START mode
The "AS &G" warning lamp goes off
and the engine starts automatically:
-

w

ith a manual gearbox , when you fully
depress the clutch pedal. For safety reasons or to ensure smooth
operation, START mode is invoked
automatically when:
Special cases: START invoked
automatically
- the speed of the vehicle exceeds 2 mph
(3 km/h),
-

y
ou open the driver's door,
-

y
ou unfasten the driver's seatbelt,
-

s
ome special conditions (battery charge,
engine temperature, braking assistance,
ambient temperature...) where the engine is
needed to assure control of a system.
If the system has been deactivated in
STOP mode, the engine will not start.
At any time, press the "AS &G O FF "


switch to
deactivate the system.
Deactivation
In this case the "AS &G" warning lamp
flashes for few seconds, then goes off.
This operation is perfectly normal.This is confirmed by the "AS &G O FF "
warning lamp coming on in the instrument
panel or instrument panel screen.
If the bonnet is opened while the engine
is in standby, the "AS &G" warning lamp
flashes, accompanied by an audible
signal. The engine will not restart
automatically.
To restart the engine with the bonnet
open, use the ignition key or press the
START/STOP button, while pressing
fully on the brake and clutch pedals.
Driving

113
The system is reactivated automatically
at every new start using the key or the
START/STOP button.
Reactivation
Press the "AS &G O FF " switch again.
The system is active again; this is confirmed by
the "AS &G O FF " warning lamp going off in the
instrument panel or instrument panel screen.
Operating fault
In the event of a malfunction with the system,
the "AS &G O FF " warning lamp flashes in the
instrument panel or instrument panel screen,
and the system no longer operates.
have it checked by a CITROËN dealer or a
qualified workshop. This system requires a specific
battery with a special specification
and technology (reference numbers
available from a CITROËN dealer or a
qualified workshop).
Fitting a battery not listed by CITROËN
introduces the risk of malfunction of the
system.
Maintenance
The "Auto Stop & Go" system makes
use of advanced technology. All work
on this type of battery must be done
only by a CITROËN dealer or a qualified
workshop.
In the event of a fault in STOP mode, the
vehicle may stall. The following warning lamps
come on in the instrument panel or instrument
panel screen:
It is then necessary to switch off the ignition,
then restart the engine using the key or the
START/STOP button.
4
Driving

125
Visual assistance
Front parking sensors
Deactivation / Activation of the
front and rear parking sensors
The function is deactivated by pressing this
button. The indicator lamp in the button
goes off.
Pressing this button again reactivates the
function. The indicator lamp in the button
comes on.
Operating fault
The front parking sensors are triggered when
an obstacle is detected in front, a gear is
engaged (position D for vehicles with a CVT
gearbox) and the speed of the vehicle remains
below 6 mph (10 km/h).
The front parking sensors are interrupted if
the vehicle stops for more than five seconds
in for ward gear, if no further obstacles are
detected or when the speed of the vehicle
exceeds 6 mph (10 km/h). Remember to deactivate the system if
towing a trailer or caravan.In bad weather or in winter, ensure that
the sensors are not covered with mud,
ice or snow.
When the vehicle is moving at a speed
below 6 mph (10 km/h), certain sound
sources (motorcycle, lorry, pneumatic
drill, etc.) may trigger the audible
signals of the parking sensor system.
In the event of an problem, when reverse gear
is engaged this lamp in the button flashes,
accompanied by an audible signal.
This supplements the audible
signal by displaying bars in the
screen, in front of or behind
the vehicle.
If one of the sensors is faulty, it
flashes in the instrument panel
screen.
Contact a CITROËN dealer or a qualified
workshop.
These bars flash at the start of the manoeuvre
then become fixed from a certain distance
between the vehicle and the obstacle.
4
Driving

242Consult your mobile telephone's user manual and enter
the pairing code recorded in step 7 in the telephone.
BLUETOOTH® TELEPHONE
WITH


VOICE

RECOGNITION
The system says "Start the pairing procedure on the telephone.
Consult the instructions in the telephone manual ".
If the code is incorrect, the system locks. To clear the code:
-

check that the telephone's voice recognition is not activated,
-


with the ignition on and the audio system active, press the END
CALL

button for 2 seconds, 3 times in succession.
When it detects a Bluetooth
® compatible mobile telephone,
the

system says "Please say the name of the telephone after
the

beep".
After the audible signal, allocate a name to the telephone
by saying the name of your choice. The system says "Allocate an order of priority between 1 and 7.
One is the highest level of priority
".
Give a number between 1 and 7 to establish the level of
priority of the mobile telephone.
The system says and confirms the "name of the telephone " and
the "number" of its priority.
a
nswer "Ye s
".
Say "No" to return to step 13.
The systems says "Pairing complete" then emits an audible signal
and deactivates the voice recognition.
The services available depend on the network, the SIM card and the compatibility of the Bluetooth
® telephone used. Check in your telephone
user

manual and with your service provider for the services you have access to.
If the system does not detect the Bluetooth
® compatible mobile
telephone, the matching process stops ands is accompanied by an
audible signal.
If you select a level of priority which has already been allocated to
another telephone, the system asks you if you wish to replace this
level of priority.

06
329
Once the portable player / iPod
® is
connected, make several successive
presses on the MEDIA button and
select USB, the source selected is
displayed.
Once the player is selected, play
starts.
Play
Managing a track (or folder)
Stop
Press MEDIA to change mode or on
RADIO. Turn the knob to select a previous or
next track.
Select a folder (or track)
Select a track Press the knob to select the folder
and go down or up one level.
The knob can also be used for tracks.
USB PLAYER
Press the "7" or "8" button to select
the previous or next track respectively.
Press and hold to go faster. Playing the start of each track
Press the PTY/SCAN button to start
the play of the first ten seconds of each
track in all folders. "SCAN" appears in
the screen and the corresponding track
number flashes.
Press this button again to quit this
mode.