key CITROEN C4 AIRCROSS 2021 Handbook (in English)

Keysafety warning
additional information
contributes to the protection of the environment
CITRoËn h as a presence on every continent,
a complete product range,
bringing together technology and a permanent spirit of innovation,
for a modern and creative approach to mobility.
We thank you and congratulate you on your choice.
Happy motoring!
at the wheel of your new vehicle,
getting to know each system,
each control, each setting,
makes your trips, your journeys
more comfortable and more enjoyable.
This handbook has been designed to help to
make the most of your C4 AIRCROSS in all
circumstances and in complete safety.
Take the time to read through it so as to
familiarise yourself with your vehicle.
This handbook covers all of the variations
in equipment available across the whole
C4
AIRCROSS range.
Your vehicle will be fitted with only some of
the equipment described in this document,
depending on its trim level, version and the
specification for the country in which it was
sold.
The descriptions and illustrations are given as
indications only.
Automobiles CITROËN reserves the right to
modify the technical characteristics, equipment
and accessories without having to update this
edition of the handbook.
This document forms an integral part of your
vehicle. Remember to pass it on to the new
owner in the event of the sale of the vehicle.

Instrument panel 12
Warning and indicator lamps
1
3
Instrument panel screen

1
9
Trip computer

3
2
Distance recorder

3
2
Trip distance recorder

3
2
Service indicator

3
3
Adjusting vehicle settings

3
7
Audio- CD system screen

4
4
Audio- CD system touch screen

4
6
Audio-Telematic system touch screen

4
8
Lighting dimmer

5
1
Monitoring
ove
r view
Remote control key 5
2
"Keyless Entry and Starting" system
5
6
Doors

6
2
Boot
6

3
Alarm
6

5
Electric windows

6
8
Panoramic sunroof

7
0
access
Front seats 71
Rear seats
7
5
Mirrors

7
7
Steering wheel adjustment

7
9
Ventilation
8

0
Manual heating / air conditioning

8
2
Automatic air conditioning

8
4
Rear screen demist - defrost

8
9
Interior fittings

9
0
Boot fittings

9
6
Comfort
Starting - stopping the engine with the key 98
Starting - stopping the engine with
the Keyless Entry and Starting system

9
9
Parking brake

1
02
Manual gearbox
1

03
Gear shift indicator

1
04
CVT gearbox

1
05
Hill start assist

1
10
Stop & Start (Auto Stop & Go) function

1
11
Under-inflation detection
1

14
Four wheel drive system

1
18
Cruise control

1
20
Parking sensors

1
23
Reversing camera

1
26
Driving
Lighting controls 1 27
Daytime running lamps
1
30
Automatic illumination of headlamps

1
30
Manual guide-me-home lighting

1
31
Welcome lighting

1
32
Headlamp adjustment
1

33
Wiper controls

1
34
Automatic rain sensitive wipers

1
36
Courtesy lamps

1
38
Boot lamp

1
40
Panoramic roof lighting

1
40
Visibility
Eco-driving
Contents

4
Exterior
Lighting controls 127-131
Headlamp beam adjustment 1 33
Welcome lighting

1
32
Changing bulbs
1

82-185
-

f
ront lamps
-
fo

glamps
-

d
irection indicator repeaters
Wiper controls

1
34-137
Changing a wiper blade
1
97
Door mirrors
7
7-78
Doors
6
2, 64
-

o
pening / closing
-

c
entral locking
Child lock

1
70
Electric windows

6
8 - 69
Alarm
6

5-67
Panoramic sunroof

7

0
Roof bars

2

03
Accessories
20

4-205
Braking assistance

1

42-143
Trajectory control

1

44-145
Tyre pressures

1

75, 235
Under-inflation detection
1

14-117
Boot
6

3
-
o
pening / closing
- em
ergency release
Temporary puncture
repair kit

1

71-174
Changing a wheel

1

75 -180
-

t

ools
-

r

emoving / refitting
Snow chains

1

81
Changing bulbs
1

86-187
-

r

ear lamps
-

3

rd brake lamp
-

n

umber plate lamps
-
fo

glamp
Parking sensors

1

23 -125
Reversing camera

1

26
Towbar
20

1-202
To w i n g
1

9 8 - 2 0 0
Fuel tank

2

10
Remote control key /
electronic

key

5

2- 61
-

o

pening / closing
-

a

nti-theft protection
-
b

attery
over view

17
Warning/indicator lampis on Cause Action / Observations
Cruise control fixed This comes on when the cruise
control has been activated. Press the "ON/OFF" button to activate/deactivate the
cruise control.
Active stability
control and
traction control
(ASC/TCL) flashing.
Operation of the ASC/ TCL systems. The systems optimise traction and improve the
directional stability of the vehicle.
Adapt your driving and moderate your speed.
fixed. Fault in the ASC/ TCL systems. Have it checked by a CITROËN dealer or a qualified
workshop.
Stop & Star t
(Auto Stop & Go)
function fixed.
When the vehicle stops (red lights,
traffic jams, ...) the Stop & Start
(AS&G) function has put the engine
into STOP mode. The warning lamp goes off and the engine restarts
automatically in START mode, as soon as you want to
move off.
flashes for a few
seconds, then goes
of f. STOP mode is temporarily
unavailable.
or
START mode is invoked
automatically. See "Stop & Start (
aS

&G) function" for special cases
with STOP mode and START mode.
Diesel engine
pre-heating
fixed.
The engine is cold and:
-

t
he ignition switch is at the
ON


position (ignition on), or
-

t
he START/STOP starting button
has been pressed (ignition on). With key starting, wait until the warning lamp has gone
off before starting.
With the Keyless Entry and Starting system, the engine
will only start after the warning lamp has gone off.
The duration for which the warning lamp is on is
determined by the climatic conditions (up to 30 seconds
in severe weather).
If the engine does not start, switch the ignition off and
then on again and wait again until the warning lamp
goes off, then start the engine.
1
Monitoring

20
Screen 1 Screen 2Cause Solution - ActionObservations
Warning messages (ignition at "OFF")
You have forgotten to switch off the
vehicle lighting.Switch off the vehicle lighting by
placing the control at OFF.There is an intermittent audible
signal.
The alarm has been triggered.
The battery for the
k
e
yless Entry
and Starting system is flat. Replace the battery (see "Changing
the batteries").
The electronic key that you have on
your person is not recognised. Check that you have the correct
electronic key.If the message persists, contact a
CITROËN dealer.
The electronic key is still in the
vehicle and you have tried to lock
the doors or boot from the outside. Ensure that you have the electronic
key on your person before locking
the vehicle.
One of the doors or the boot is not
properly closed when locking the
vehicle from the outside. Close the door or the boot, then
lock the vehicle.
Monitoring

21
Fault with the electronic anti-theft
system.Switch off the ignition, then start the
engine.If the problem persists, contact a
CITROËN dealer.
Fault with the "Keyless Entry and
Starting" system.Contact a CITROËN dealer.
Screen 1 Screen 2
Cause Solution - ActionObservations
The electronic key is not detected. Insert the electronic key into the
housing located in the glove box.Remember to remove the electronic
key from the housing after starting
the vehicle.
The electronic key has not been
removed from the housing in the
glove box. Remove the electronic key from the
housing in the glove box.
The steering column is locked. Switch the ignition on and turn the steering wheel slightly to unlock the
steering column.
The engine is off but the gear lever
is not in position P . Place the gear lever in position P
. Only for vehicles fitted with a "CVT"
gearbox.
1
Monitoring

23
Screen 1 Screen 2Cause Solution - ActionObservations
Warning messages (ignition at "ON")
Fault with the electric power
steering.Stop the vehicle, wait few moments
then start the engine again.If the message remains after
restarting, contact a CITROËN
dealer or a qualified workshop.
The battery for the "
ke

yless Entry
and Starting" system is flat. Replace the battery (see "Changing
the batteries").
The electronic key that you have on
your person is not recognised. Check that you have the correct
electronic key.If the message persists, contact a
CITROËN dealer.
The electronic key is still in the
vehicle and you have tried to lock
the doors or boot from the outside. Ensure that you have the electronic
key on your person before locking
the vehicle.
One of the doors or the boot is not
properly closed when locking the
vehicle from the outside. Close the door or the boot, then
lock the vehicle.
Fault with the "Keyless Entry and
Starting" system. Contact a CITROËN dealer.
1
Monitoring

36
Average fuel consumption
(l/100 km or km/l or mpg)
This is the average fuel
consumption calculated
since the trip computer was
last reset.
Average speed
(km/h or mph)
This is the average speed
calculated since the trip
computer was last reset.
Current fuel consumption
(l/100 km or km/l or mpg)
This is the average fuel
consumption calculated over
the last few seconds.
This value may change following a
change in the style of driving or the relief.
If dashes "- - -" are displayed for long
periods in place of the digits while
driving, contact a CITROËN dealer or a
qualified workshop.
Resetting the information to zero
When the required information is displayed,
press the INFO button for more than
two
seconds to reset all of the information to
zero.
When the ignition is switched on, the zero reset
switches automatically from manual mode to
automatic mode.
Automatic
If the ignition key remains in the OFF position
for more than 4 hours, the information is reset
to zero automatically.
Monitoring

52
System which permits central unlocking or locking of the vehicle using the door lock or remotely. It is also used for the guide-me-home lighting and
starting the engine, as well as providing protection against theft.
Remote control key
Unfolding the key
F First press this button to unfold the key.
Unlocking the vehicle
Complete unlocking using
the remote control
F Press the open padlock to unlock the vehicle.
Unlocking using the key
F Turn the key to the front in the driver's door lock to unlock it.
Unlocking is confirmed by the interior
lighting which comes on for around
15
seconds and the direction indicators
which flash twice .
According to version, the door mirrors
unfold at the same time.
Access

53
F Press the open padlock once to unlock the driver's door only.
Selective unlocking using
the remote control
Selective unlocking is only available on
versions not fitted with deadlocking.
Selective unlocking is not available
using the key.
F

P

ress the open padlock again to unlock the
other doors and the boot. Unlocking is confirmed by illumination
of the interior lighting for about
15 seconds and the direction indicators,
which flash twice .
According to version, the door mirrors
unfold at the same time as the first
unlocking action.
2
Access