So I did a quick search first, and didn't really come up with any results to my problem, besides reading
Factory Bluetooth Problems
I have a Blackberry Tour for verizon, with absolutely no connection problems. But I let my dad drive my car about once a week when I am unable to, just so the car isn't sitting in the driveway. And he has major problems with his Curve 8530. Nissan said that the bluetooth is not compatible with the Curve. Is this BS? Or is this true, and if so, there has to be a way to update the bluetooth in the car...?