CITROEN C4 Handbook page 227

► Have the aerial checked by a dealer.
I cannot find some radio stations in the list of
received stations.
The name of the radio station changes.
The station is no longer received or its name has
changed in the list.
► Press the round arrow on the "List" tab on the
"Radio" page.
Some radio stations send other information
in place of their name (the title of the song for
example).
The system interprets these details as the station
name.
► Press the round arrow on the "List" tab on the
"Radio" page.
Media
Playback of my USB memory stick starts only
after a very long wait (around 2 to 3 minutes).
Some files supplied with the memory stick may
greatly slow down access to reading the memory
stick (multiplication by 10 of the cataloguing
time).
► Delete the files supplied with the memory
stick and limit the number of sub-folders in the
file structure on the memory stick.
Some characters in information about the
currently playing media are not displayed
correctly.
The audio system is unable to process certain
types of character.
► Use standard characters to name tracks and
folders.
Playback of streaming files does not start.
The connected device does not automatically
launch playback.
► Start playback from the device.
Track names and playing times are not
displayed on the audio streaming screen.
The Bluetooth profile does not allow the transfer
of this information.
Telephone
I cannot connect my Bluetooth telephone.
The telephone's Bluetooth function may be
switched off or the device may not be visible.
► Check that the telephone has Bluetooth
switched on.
► Check in the telephone settings that it is
"visible to all".
The Bluetooth telephone is not compatible with
the system.
► Check the compatibility of the telephone on
the Brand's website (services).
Android Auto and/or CarPlay do not work.
Android Auto and CarPlay may not activate if the
USB cables are of poor quality.
► Use genuine USB cables to ensure
compatibility.
Android Auto and/or CarPlay do not work.
Android Auto and CarPlay are not available in all
countries.
► Check the Google Android Auto or Apple
website to see which countries are supported.
The volume of the telephone connected in
Bluetooth mode is inaudible.
MyCitroën Play
The volume depends on both the system and the
telephone.
► Increase the volume of the audio system, to
maximum if required, and increase the volume of
the telephone if necessary.
Ambient noise affects the quality of the
telephone call.
► Reduce ambient noise (close windows, turn
down ventilation, slow down, etc.).
The contacts are not listed in alphabetical
order.
Some 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.
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