CITROËN DS 4 Handbook page 354

Bluetooth ® audio streaming
Streaming allows audio files on your telephone
to be played through the vehicle's speakers.
Connect the telephone: see the "Telephone"
section, then "Bluetooth".
Choose the "Audio" or "All" profile.
If play does not start automatically, it may be
necessary to start the audio playback from the
telephone.
Control is from the peripheral device or by
using the audio system buttons.
Once connected in streaming mode,
the telephone is considered to be a
media source.
It is recommended that you activate
"Repeat" on the Bluetooth peripheral.
Connecting Apple
player to the USB port
®
Connect the Apple
using a suitable cable (not supplied).
Play starts automatically.
Control is via the audio system.
® players
The classifications available are those
of the portable device connected
(artists / albums / genres / playlists /
audiobooks / podcasts).
The default classification used is by
artist. To modify the classification used,
return to the first level of the menu
then select the desired classification
(playlists for example) and confirm
to go down through the menu to the
desired track.
The version of software in the audio system
may not be compatible with the generation of
your Apple
player.
®