1. Turn of "view from the car windows in the swerving direction" in game options (the "general" section).
2. There's no any voices in the simulator. Where did you find such option?
3. Pro version is only for Car Training Simulator like this -
3319.ru/images/fck/image/Photo/DSCN0003.JPG - to use it in Driving Schools. What "full features" do you mean? It costs very much for basic home driving and it has just some theoretical features for driving school teachers and protocol to communicate with Car Training Simulator hardware modules. That's all.
4. There's no audio instruction in this game.