I just got a 2006 400h and am trying to set up the bluetooth with my LG LX350 phone with Sprint. Everything works great so far except one thing. When I'm on a call (whether I called out or whether someone called me and I answered) I can hear their voice through the car sound system, but the person on the other end can't hear me. It's like I have it on Mute, but I know I don't (and I've tried pressing the Mute button to change it but it made no difference). I know the mic in the car is working okay because it accepts my voice commands for NAV and such. And I have two different bluetooth headsets I use with the phone which both work fine. Any ideas? Thanks!