http://www.racedepartment.com/threads/rfactor-2-game-guide-and-f-a-q.119019/#post-2203452
3.2.3 Look Ahead
Game camera will turn towards where the apex, higher = more head movement.
3.2.4 Exxagerate Yaw
It sets the camera to a different rotation speed than the car, e.g. if the car oversteers to the left the camera will turn to the right faster than the car in a positive value or slower in a negative value.
3.2.5 Head physics
Moves the head of the driver across a set of parameters involving inertia.
3.2.6 Head Vibration
Sets the amount of vibration accordingly to the car's vibration.