2021 CITROEN C4 AIRCROSS ABS

15
Warning/indicator lampis on Cause Action / Observations
Anti-lock
Braking System
(ABS) fixed.
The anti-lock braking system has a
fault. The vehicle retains conventional braking.
Drive carefully at reduced speed and contact a CITROËN
dealer or a qualified workshop without delay.
Front seat belt
not fastened /
unfastened
fixed, then flashing,
accompanied by an
audible signal.The driver has not fastened or has
unfastened their seat belt.
Pull the strap, then insert the tongue in the buckle.
Airbags and
pretensioners temporarily.
When you switch on the ignition, this
warning lamp comes on for a few
seconds, then goes off. If it does not go off, contact a CITROËN dealer or a qualified
workshop.
fixed. Fault with one of the airbag or seat
belt pretensioner systems. Have it checked by a CITROËN dealer or a qualified
workshop.
Under-inflation fixed,
accompanied by
a message.The tyre pressure for one or more
wheels is too low.
Check the tyre pressures as soon as possible.
This check should preferably be done with the tyres cold.
You must reinitialise the system after every adjustment of
one or more tyre pressures and after replacing one or more
wheels.
For more information refer to the "Under-inflation detection"
section.
flashing
then fixed,
accompanied by
a message. The system has a fault and/or one
or more wheels does not have a
detected sensor.
The tyre pressures are no longer monitored.
Have the system checked by a C
ITR
oËn d

ealer or a
qualified workshop.
1
Monitoring

24
Screen 1 Screen 2Cause Solution - ActionObservations
The brake fluid level is too low. Top up using a brake fluid listed by
CITROËN.If the problem persists, contact
a CITROËN dealer or a qualified
workshop.
Fault with the braking system. You must stop as soon as it is safe to do so.Have the system checked by a
CITROËN dealer or a qualified
workshop.
Fault with the anti-lock braking
system (ABS). Contact a CITROËN dealer or a
qualified workshop.The vehicle retains conventional
braking without assistance but you
are advised to stop.
The tyre pressure is too low in one
or more tyres. Check the tyre pressures as soon
as possible.
This check should preferably
be done with the tyres cold.
You must reinitialise the system
after adjusting one or more tyre
pressures or after changing one or
more wheels.
For more information, refer to the
"Under-inflation detection system"
section.If the problem persists, contact
a C
ITR
oËn d

ealer or a qualified
workshop.
There is a fault with the under-
inflation detection system and/or
at least one wheel does not have a
detected sensor. The tyre pressures are no longer
monitored.
Have the system checked by a
CITROËN dealer or a qualified
workshop.
Monitoring

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

142
Group of supplementary systems which help
you to obtain optimum braking in complete
safety in emergency situations:
-
a
nti-lock braking system (ABS),
-

e
lectronic brake force distribution (EBFD).
Braking assistance systems
Anti-lock braking system
and electronic brake force
distribution
Linked systems which improve the stability and
manoeuvrability of your vehicle when braking,
in particular on poor or slippery sur faces.
Activation
The anti-lock braking system is active if the
vehicle speed is higher than 6 mph (10 km/h).
It is deactivated when the vehicle speed falls
below 3 mph (5 km/h).
The anti-lock braking system comes into
operation automatically when there is a risk of
wheel lock.
Normal operation of the ABS may make itself
felt by slight vibration of the brake pedal.
Operating fault
When the vehicle is stationary
If this warning lamp comes on, accompanied by
the indication on the instrument panel screen, it
indicates a malfunction of the anti-lock braking
system which could result in a loss of control of
the vehicle when braking.
The vehicle retains normal braking.
Drive carefully at moderate speed and contact
a CITROËN dealer or a qualified workshop as
soon as possible.
When braking in an emergency, press
very firmly without releasing the
pressure. The warning lamp comes on for a few
seconds when the ignition is switched on
(ON position). If it does not switch off or
does not come on, contact a CITROËN
dealer or a qualified workshop.
Safety

295
Level 1
Level 2 Level 3 Comments
Select the tabs for access to the 6 preset stations.
FM = 12 stations.
Preset stations.
After selecting a frequency, press and hold the number to preset the current
station.
Activate station tracking (automatic selection of the strongest frequency).
Activate regional station tracking mode to track the frequency of a regional station
in the network.
Activate the temporary transfer to a station with traffic information.
Activate station tracking according to programme/theme.
Adjust the audio quality (balance, equaliser, ...).
Change frequency. Maintain pressure until a beep is heard for an automatic
search for the next station.
Display the list of stations received.
Display radio text (if there is no information, "no text" is displayed).
Information on the track being played.
Repeat in a loop the track being played.
Play the first 10
seconds of each track.
Play all tracks in random order.
Adjust the audio quality (balance, equaliser, ...).
Select a track or maintain pressure for fast forward or back.
Go down or up in the folders.
Click on a folder or sub-folder to play the first track.
Sort the tracks by category.

05
325
CD-TEXT display
Press the DISP button repeatedly; the
CD-Text information appears in the
following order:
DISC NAME / TRACK NAME /
NORMAL DISPLAY MODE.
The CD player is compatible with the display of CD-Text
information.
In the case of compact discs containing both CD-DA and MP3 files,
play automatically begins with the CD-DA files.
To switch play between the two types of file, press the CD button for
more than two seconds until an audible signal is heard.
While using these compact discs, the "Repeat", "Random play" and
"Playing of the beginning of the tracks" functions are only applied to
files of the same format.
If the information exceeds
12
characters, press the PAGE button
to see the rest.
In the absence of CD-Text information
to be displayed, "NOTITLE" appears
on the screen.
MP3 / ID3 Tag CD
Selecting an MP3 folder
Turn the SEL knob to the right to
select a folder in ascending order or to
the left to select a folder in descending
order.
The CD player and the CD changer are compatible with the playing
of MP3 files.
These must be recorded in ISO-8859 Level 1
/ Level 2, Joliet or
Romeo format on CD ROMs, CD-Rs or CD-RWs. The CDs can
contain a maximum of 255 files and 100 folders on 16 levels.
The ID3 version 1.0, 1.1, 2.2, 2.3 and 2.4 Tag can be displayed
while playing MP3 files.
MUSIC MEDIA PLAYERS

05
327
Press the DISP button for more than
two seconds to activate the ID3 Tag
information. "TAG" appears in the
screen.
Press the DISP button repeatedly; the
Tag ID3 information appears in the
following order:
ALBUM NAME

/ TRACK NAME

/
ARTIST NAME

/ NORMAL DISPLAY
MODE.
To deactivate this information, press
the DISP button again for more than
two seconds.
If the information exceeds
12

characters, press the PAGE button
to see the rest.
In the absence of MP3 or ID3
Tag information to be displayed,
"NOTITLE" appears in the screen.
On CD-R/RWs, the quality of the playing sound depends on the
encoding software, the burning device and the burning speed used.
Depending on the flow chart of the MP3 folders and files on the
disc, play may not begin immediately.
MUSIC MEDIA PLAYERS
Using the auxiliary input (AUX)
The auxiliary socket allows the
connection of a portable device (MP3
player...).
Connect the portable device (MP3 player…) to the RCA audio
sockets (red and white) using a suitable cable, not supplied.
First adjust the volume on your portable device (to a high level).
Then adjust the volume on the audio system.
Operation and play is done using the controls on your portable
device.
Press the MEDIA button for more
than two seconds.
"AUX" appears in the screen and the
external mode is activated.
Press MEDIA again to deactivate the
AUX mode and change to another
mode.

335
ABS and EBFD systems ...............................14 2ac
cessories .............................. ....................204
Accessory socket, 12V

...................... 9
0, 92, 93
a

ccess to bulbs
............................................. 18

3
ac

tive stability control (
aS
C)
........................14

4
Adjusting headlamps
.................................... 13

3
Adjusting head restraints

................................73
A

djusting seat belt height
.............................14

6
Adjusting the steering wheel

..........................79
A

irbag, knee
.......................................... 15

2, 15 4
Airbags
...............

........................................... 150
Airbags, curtain
..................................... 15

3, 15 4
Airbags, front......................................... 150, 15 4
Airbags, lateral
...................................... 15

2, 15 4
Air conditioning
...............................

.......... 10, 81
Air conditioning, automatic
................................................ 8

1, 84
Air conditioning, manual
...............

..................................... 81, 82
ai

r filter
...............
........................................... 216
ai

r flow
..............................
..............................80
Air intake

...............
....................................83, 86
ai

r vents
..............................
............................80
Alarm
............................................................... 65
A

nti-lock braking
system (ABS)

.............................................. 14

2
Anti-theft
..............................

................... 61, 102
apple® player ............... 278, 279, 280, 304, 306
Armrest, front ...................................... 7 4, 90, 93
Armrest, rear

................................................... 76aSC ........

....................................................... 14 4
ash

tray, portable
.......................................9
0, 92
Audible warning
............................................ 1

41
Audio-CD
..............................

....... 276, 303, 323
Audio file formats

.......................................... 2

76
Audio streaming (
b
lu

etooth)
..............................
............330, 331
Audio systems

............................... 2
49, 289, 311Audio-telematics
...............................

............
249
Automatic illumination of headlamps
...................................... 1
28, 130
Automatic operation
of hazard warning lamps
............................
1
41
Automatic rain sensitive windscreen wipers
...................................... 13
6
Automatic switching off of lighting
................
13
0
Auxiliary
sockets
...........9
4, 278 -281, 304-308, 328 -329
AC
Capacity, fuel tank ..............................
..........210
CD changer ............................... ....................325
CD MP3

................
........................ 276, 303, 325
Central locking

.......................................... 5

2-59
Changing a bulb
..................................... 18

2-187
Changing a fuse
..................................... 1

8 8 -19 3
Changing a wheel

...............................
...175 -178
Changing a wiper blade
...............

............................................ 197
Changing the remote control battery ............................................... 60
Changing the time
.............................. 4

4, 46, 49
Checking levels

...................................... 21

3 -215
Checking the engine oil level
...............

......................................... 213
Checks
...............

.................................... 2 07-218
Children
...............................

... 149, 151, 155 -170
Child lock

...............................
........................170
Child seats

................... 1
55, 156, 160 -162, 169
Child seats, ISOFIX

...................................... 16

6
Cigarette lighter............................................... 92
Closing the boot

...............................
...............63
Closing the doors

...............................
.............62
Colour screen
....................... 2

50, 253, 290, 293
Connectors, audio
.............. 9

4, 278 -281, 304-305, 328 -329
Controls for air conditioning
...............................

........82, 84
Coolant
...............................

.............................35
Coolant level
..............................

...................214
Courtesy lamp, front

..................................... 13

8
Courtesy lamp, rear

...................................... 13

9
Cruise control
................................................ 12

0
Cup holder

...............................
........................90
CVT gearbox

......................................... 1
05, 217
bat

tery
...............................

.................... 194, 216
Battery, charging
...............................

............ 19 6
Battery, remote control

.............................6

0, 61
bl

uetooth (telephone)
....................2

37, 288, 308
bl

uetooth telephone
with voice recognition

.......................... 2

37-24 8
bo

nnet
...............

............................................ 207
bo

nnet stay
................................................... 2

07
b

oot
........

......................................................... 63
Boot lamp

...................................................... 14

0
Bottle holder

...............................

..................... 90
Brake discs

.................................................... 2

18
Brake lamps

...............................

................... 18 6
Brake pads
...............................

..................... 218
Braking assistance system

................

......................................... 142
bulb

s
(changing, type)
................................... 18

2-187
B
.
alphabetical index