A method and apparatus for judging the psychosomatic condition of the driver in a motor vehicle, wherein engine-lock means are provided to control the ignition system of the engine. Prior to starting of the engine, the driver must go through a stationary adjusting task which is utilized to check the driver's mental and physical ability for maintaining a part of his body under a certain strained situation for a certain fixed time. Said ignition system of the engine cannot be made operative unless the driver passes through said stationary adjusting task.
Method and apparatus for judging psychosomatic condition of the driver in motor vehicle