I just purchased a used 2011 Chevy Impala LT (2FL), it has onstar and bose speaker system. It was a hertz rental car. It appears its pretty much loaded, except for bluetooth. Its the one thing I was looking for and thought it had. It shows the bluetooth is on all LT and LTZ models online. But, I guess since this was a fleet or rental car, they could remove it. Does anyone know if there is a way to just buy a bluetooth module for the factory stereo/onstar? It has everything else. But, when you press the button on the steering and say bluetooth, it just goes straight to onstar phone system. I called the parts department at a chevy dealership and they couldn't tell me anything and just said sorry.