Comments On Trouble Symptom
WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
If the sound replay is impossible with the USB/iPod mode, the USB adapter, USB cable, USB box, or multivision display may be defective, or a communication error between the multivision display and USB box may have occurred.