According to another aspect of the present invention, a vehicle image display method of the present invention, used for an automated driving system that causes an own vehicle to travel with automated driving along a previously-set scheduled travel course to a destination, includes generating a picture image visually indicating an unscheduled travel behavior in advance when the automated driving system is trying to cause the own vehicle to perform the unscheduled travel behavior that is different from a scheduled travel behavior, and displaying the picture image as prior notice on a display screen of a display device mounted on the own vehicle.