I haven't been able to get AVIC Feeds to work on my Z120BT in any way. The icon on the unit is always grayed out even when I have my IPhone connected via the usb/iphone connection. The website for AVIC Feeds is almost no help. I have installed the software to my PC and the app to the iphone. Any ideas?

The icon on the unit and the app on the phone have nothing to do with each other. The icon on the unit works with POI placed on your SD card through the PC app.