I have a 1st generation iphone with a Pioneer Avic D3 system. When I plug it in, it recognizes it but it says "No Volume Available". This happens when I try to use Pandora, Rhapsody, etc. I have searched but have found a few complaints but no solutions. I obviously tried plugging it in, unplugging it, turning on the ringer, etc. but there has been no easy solution. Can anyone help? Thanks.