Abstract
In the vehicle system, a steering wheel is grabbed by driver with inevitability for one's driving operation. From the viewpoint of human interface designing, it is assumed that the steering wheel operation includes the driver's skills, intentions and psychological information etc. This matter has the possibility for realization of more suitable driver-vehicle interaction of intuitive driving. In this paper, the holding or grabbing styles of subject driver have been investigated through the experiments on a Driving simulator. And the relationship between the holding styles and the driver's situations has been discussed.
