Found this on Pioneer's Site:
"Dear Pioneer Customers,
Certain models of our In-Dash Navigation AV Receivers that support playback and control of the Pandora™ internet radio and Aha Radio iPhone® applications are currently experiencing audio playback issues with these services. The issue occurs after installation of iOS 5 onto the user's iPhone®.
We are currently identifying the root source of this issue and working diligently to engineer a solution. We will post updates regarding this situation on our website, pioneerelectronics.com. Please check back for the latest information.
The fo
