Originally Posted by mtnsportr
My iPhone and GS2 both worked well with my Subaru factory stereo. However, the GS4 only auto-connects voice and not audio, so I have to select it manually every time I start the car. After reading the posts here and on another forum, it sounds like the issue is on the phone side, not stereo (or BT headset).
We need updated firmware from Samsung.
That may be it, because my s3 was the same way. I will try it with my iPhone 5 also and then JUST the Belkin and no hands free audio and see if that stays connected.