I took my 2008 to dealer today for similar intermittent radio issue: LED fades out during operation, buttons non-functioning, not detecting my cell phone, CD ejects when I pressed radio preset buttons. I used my cell phone and recorded a video when it was not working, and showed it to the service manager. He told me he will order a replacement unit and will take 4~5 days to come in. Still under warranty, but due to expire in 3 months, so I just extended it to 8-yr/80K through Jerry Johnson of KS Toyota, figuring I may start seeing some other issues showing up now which may be covered under warranty.
