2021 CITROEN C3 AIRCROSS check engine

173
Bluetooth® audio system
10Interactive voice response
From the contextual menu, select "DTMF
tones" and confirm to use the digital
keypad to navigate in the interactive voice
response menu.
Confirm with OK.
Consultation call
From the contextual menu, select
"Switch" and validate to return to a call
left on hold.
Confirm with OK.
Directory
To access the directory, press and hold SRC/TEL.
Select "Directory " to see the list of
contacts.
Confirm with OK.
To modify the contacts saved in the
system, press MENU then select
"Telephone" and confirm.
Select "Directory management " and confirm.
You can:
– "Consult an entry",– "Delete an entry",– "Delete all entries".The system accesses the telephone's contacts directory, depending on its
compatibility, and while it is connected via
Bluetooth.
With certain telephones connected by Bluetooth you can send a contact to the
directory of the audio system.
Contacts imported in this way are saved in a
permanent directory visible to all, whatever the
telephone connected.
The menu for the directory is not accessible if it
is empty.
Voice recognition
This function allows you to use your
smartphone's voice recognition via the system.
To start voice recognition, depending on the type
of steering mounted controls:
Make a long press on the end of the lighting
control stalk.
OR
Press this button.
Voice recognition requires the use of a
compatible smartphone first connected to
the vehicle by Bluetooth.
Frequently asked
questions
The following information groups together the answers to the most frequently asked questions
concerning your audio system. With the engine off, the audio system
switches off after a few minutes of use.
When the engine is switched off, the audio
system operating time depends on the state of
charge of the battery.
The switch-off is normal: the audio system
switches to economy mode and switches off to
avoid discharging the vehicle's battery.
► Start the vehicle’
s engine to increase the charge of the battery.
The message "the audio system is
overheated" is displayed onscreen.
To protect the installation if the ambient
temperature is too high, the audio system
switches to an automatic thermal protection
mode, in which the volume may be decreased or
the CD player stopped.
► Switch the audio system off for a few minutes to allow the system to cool.
Radio
There is a difference in sound quality
between the different audio sources (radio,
CD, etc.).
For optimal listening quality, the audio settings
(Volume, Bass, Treble, Ambience and Loudness)
can be adjusted to different audio sources,
resulting in audible differences when switching
between sources (radio, CD, etc.).
► Check that the audio settings (V olume, Bass, Treble, Ambience and Loudness) are appropriate
to the sources being listened to. We recommend
setting the audio functions (Bass, Treble, Fr-Re

189
CITROËN Connect Radio
11Some telephones offer display options.
Depending on the settings chosen, contacts can
be transferred in a specific order.
► Modify the telephone directory display settings.
Settings
When the treble and bass settings are
changed, the ambience is deselected.
When the ambience is changed, the treble
and bass settings are reset.
Selecting an ambience imposes the treble and
bass settings, and vice versa.
► Modify the treble and bass or ambience settings to obtain the desired musical ambience.
When the balance settings are changed, the
distribution is deselected.
When the distribution setting is changed, the
balance settings are deselected.
Selecting a distribution setting imposes the
balance settings, and vice versa.
► Modify the balance setting or the distribution setting to obtain the desired sound quality.
There is a difference in sound quality
between audio sources.
To allow for optimal listening quality, the sound
settings can be tailored to different audio
sources, which can generate audible differences
when changing source.
► Check that the sound settings are appropriate to the sources listened to. Adjust the sound
functions to the middle position.When the engine is off, the system switches
off after several minutes of use.
When the engine is switched off, the system's
operating time depends on the state of charge of
the battery.
The switch-off is normal: the system
automatically goes into energy economy mode
and switches off to maintain an adequate charge
in the battery.
► Start the vehicle’
s engine to increase the charge of the battery.

213
CITROËN Connect Nav
12Settings
When the treble and bass settings are
changed, the ambience is deselected.
When the ambience is changed, the treble
and bass settings are reset.
Selecting an ambience imposes the treble and
bass settings, and vice versa.
► Modify the treble and bass or ambience settings to obtain the desired musical ambience.
When the balance settings are changed, the
distribution is deselected.
When the distribution setting is changed, the
balance settings are deselected.
Selecting a distribution setting imposes the
balance settings, and vice versa.
► Modify the balance setting or the distribution setting to obtain the desired sound quality.
There is a difference in sound quality
between audio sources.
To allow for optimal listening quality, the sound
settings can be tailored to different audio
sources, which can generate audible differences
when changing source.
► Check that the sound settings are appropriate to the sources listened to. We recommend
setting the sound functions (Bass:, Treble:,
Balance) to the middle position, setting the
musical ambience to "None", setting loudness
correction to "Active" in USB mode and "Inactive"
in Radio mode.
► In all cases, after applying sound settings, adjust the volume level on the portable device (to a high level) first. Then adjust the volume level
on the audio system.
When the engine is off, the system switches
off after several minutes of use.
When the engine is switched off, the system's
operating time depends on the state of charge of
the battery.
The switch-off is normal: the system
automatically goes into energy economy mode
and switches off to maintain an adequate charge
in the battery.
► Start the vehicle’
s engine to increase the charge of the battery.
The date and time cannot be set.
Setting of the date and time is only available
if the synchronisation with the satellites is
deactivated.
► Settings menu / Options / Time-Date setting. Select the "Time" tab and deactivate the "GPS
synchronisation" (UTC).

214
Alphabetical index
180° rear vision 118
A
ABS 67Accessories 64Active Safety Brake 108–109, 111AdBlue® 14, 135
AdBlue® tank 136Additive, Diesel 133–134Adjusting headlamps 59Adjusting head restraints 36Adjusting seat 37Adjusting the air distribution 44Adjusting the air flow 44–45Adjusting the date 17, 22, 187, 210Adjusting the height and reach of the steering wheel 41Adjusting the seat angle 37Adjusting the seat belt height 71Adjusting the temperature 44Adjusting the time 17, 22, 187, 210Advice on care and maintenance 137Advice on driving 6, 86Airbags 73, 75, 77Airbags, curtain 74–75Airbags, front 74–75, 78Airbags, lateral 74–75Air conditioning 43–44Air conditioning, automatic 44Air conditioning, manual 43–44
Air intake 44Air vents 42Alarm 30–32Anti-lock braking system (ABS) 67Antitheft / Immobiliser 26Apple CarPlay connection 183, 199Armrest, front 49Armrest, rear 50Assistance call 65
Assistance, emergency braking 67, 110Audible warning 65Audio streaming (Bluetooth) 170, 182, 204
B
Battery 128, 152–155Battery, 12 V 133–134, 154Battery, charging 154Battery, remote control 26–27Blind 32–33Blind spot sensors 113Blinds, side 50BlueHDi 14, 133, 139Bluetooth (hands-free) 170–171, 184–185, 205–206Bluetooth (telephone) 184–185, 205–207Bodywork 138Bonnet 130Boot 29, 54Brake discs 134Brake lamps 148
Brakes 134Braking assistance system 67Braking, automatic emergency 108–111Brightness 186Bulbs 147Bulbs (changing) 146–148
C
Cable, audio 204Cable, Jack 204Capacity, fuel tank 123–124Cap, fuel filler 123–124Care of the bodywork 138CD 169, 182, 204CD, MP3 169, 182, 204Central locking 25, 30Changing a bulb 146–149Changing a fuse 150–152Changing a wheel 139, 143Changing a wiper blade 61–62Changing the remote control battery 27Charger, induction 48Charger, wireless 48Checking the engine oil level 14Checking the levels 131–133Checking tyre pressures (using the kit) 140, 142Checks 131, 133–134Checks, routine 133–134Child lock 84–85

217
Alphabetical index
L
Labels, identification 162Lamp, boot 54, 149Lamps, parking 56Lamps, rear 148Lane Departure Warning System (LDWS) 112–113LEDs - Light-emitting diodes 57, 147
Level, AdBlue® 133Level, brake fluid 132Level, Diesel additive 133–134Level, engine coolant 13, 133Level, engine oil 14, 132Levels and checks 131–133Level, screenwash fluid 61, 133Light-emitting diodes - LEDs 57, 147Lighting, cornering 60Lighting, directional 59Lighting, exterior 55Lighting, guide-me home 57Lighting, interior 53Lighting, mood 53Lighting, welcome 58Load reduction mode 128Locating your vehicle 24Locking 24, 26Locking from the inside 30Locking the doors 30Low fuel level 123–124
M
Maintenance (advice) 137Maintenance, routine 99, 133Manoeuvring aids (recommendations) 98Map reading lamps 53Markings, identification 162Mat 50, 99Memorising a speed 101
Menu 183Menu, main 165Menus (audio) 178–179, 192–193Messages 207Messages, quick 208Mirror, rear view 42Mirrors, door 41–42, 113Misfuel prevention 124Mountings, ISOFIX 80MP3 CD 169
N
Net, storage 50
O
Obstacle detection 114Oil change 132Oil consumption 132OIl, engine 132
On-board tools 53, 139–140Opening the bonnet 130Opening the boot 24–25, 29Opening the doors 24–25, 29
P
Pads, brake 134
Paint 138, 162Paint colour code 162Parcel shelf, rear 51Park Assist 118Parking brake 91, 134Parking sensors, audible and visual 114Parking sensors, front 11 5Parking sensors, rear 11 5Plates, identification 162Player, Apple® 170, 182, 205Player, MP3 CD 169, 204Player, USB 168, 181, 204Port, USB 49, 168, 181, 204Pressures, tyres 135, 143, 163Pre-tensioning seat belts 72Priming pump 139Priming the fuel system 139Profiles 186, 209Protecting children 74–81, 83Puncture 140–141, 143