During Microsoft's E3 press event, they revealed Forza Kinect. the demo they showed on stage was them pretending to use a steering wheel with Kinect whilst racing. another part of the demo was them using Kinect in a different way, and its from this the screenshots below was taken from. They used Kinect to look around a car, to click on i icons that started videos about that specific part of the car. they also shows they you could get into the car and the Kinect's head tracking would follow you as you looked inside the car.
Screenshots