CITROËN C3 PICASSO Handbook page 266

05 USB PLAYER
Auxiliary socket (AUX)
Connect the portable device
(MP3 player, ...) to the auxiliary
Jack socket using an audio cable
(not supplied).
Press the SOURCE button several
times in succession and select AUX.
First adjust the volume on your portable device (to a high level).
Then adjust the volume on your audio system. Operation of
controls is via the portable device.
Do not connect a device to both the Jack auxiliary socket and the
USB port at the same time.
264
Adjusting the volume of the auxiliary
source
First adjust the volume of your portable device.
Then adjust the volume of your audio
system.
The display and control is via the portable device.