A first display is provided inside a cabin of a host vehicle so as to be visually recognizable by an occupant. A second display provided inside the cabin of the host vehicle so as to be visually recognizable by the occupant. A processor is configured to acquire information regarding surrounding objects around the host vehicle. The processor is configured to display, among images of surrounding objects for which the information has been acquired, a lane in which the host vehicle is traveling together with an image indicating the host vehicle on the first display, and, when the host vehicle is traveling on a curve, display the lane in a bent manner on the second display and display the lane on the first display as a straight line around the image indicating the host vehicle and in a bent manner on a front side of the image indicating the host vehicle.