Are you sure you guys can access different songs in your iPhone4 via Bluetooth using the Nav screen? or just USB?
I think I've tried both ways with my iPhone 3GS and all I could do is play and pause the music, can't get inside the music library from the Nav screen; I would have to manually select songs directly on the phone.
But I could connect my iPod Nano to it using USB, and there's a minimal itunes-like interface where you can select songs based on artist, name, etc..
But the system is really really slow, and it takes a long time to go from A to Z, unlike a true iPod. And the sad thing is if you want to select a new song maybe 10 minutes later, you have to start scrolling from "A" again, and not the last spot you left off...
I think I've tried both ways with my iPhone 3GS and all I could do is play and pause the music, can't get inside the music library from the Nav screen; I would have to manually select songs directly on the phone.
But I could connect my iPod Nano to it using USB, and there's a minimal itunes-like interface where you can select songs based on artist, name, etc..
But the system is really really slow, and it takes a long time to go from A to Z, unlike a true iPod. And the sad thing is if you want to select a new song maybe 10 minutes later, you have to start scrolling from "A" again, and not the last spot you left off...