I own a Citroen DS3 it allows me to plug my iPhone in via usb or aux. I would plug my iPhone in the USB port and the DS3 would say "No Audio File Found". Since

I own a Citroen DS3 it allows me to plug my iPhone in via usb or aux. I would plug my iPhone in the USB port and the DS3 would say "No Audio File Found". Since I don't use iTunes (I'm a Spotify user), it occurred to me that I might need to put a song into my iTunes library in order for my DS3 to talk to my phone. Turns out that did the trick. Every time my car turns on and my iPhone is plugged in, the same song turns on until I load up Spotify and it takes over the audio signal. Sort of frustrating functionality.