General S-Voice not responding with Bluetooth connected

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http://androidforums.com – hello everyone! Day 3 with my new Note 2 and haven't put it down since. So glad I made the switch from iPhone 4. When I am connected to my car via bluetooth, I open s-voice and it won't hear my voice. It opens fine, but just doesn't hear my voice, making s-voice unusable when connected via bluetooth. Is there some setting that I can change to make it usable? Thanks! (General)