my motorolla x2 will not play music through my cars head uint well it does but just one song i plug it in with the usb and hit mass storage and it only plays my ringtones but only 3 of them i dont understand why this is happening becuase when you hit mass storage it loads the sd card where my music is and ill pick a folder and it doesnt show anything on the sd card any suggestions to why this is happening and how i can fix it?