Display control device for vehicle, control method thereof, and storage medium

The invention provides a vehicle display control device, a control method of the vehicle display control device, and a storage medium. A display control device for a vehicle is provided with: a recognition unit that recognizes a road division line of a road on which a vehicle travels, on the basis of at least an output from a detection device that detects an object present in the direction of travel of the vehicle; and a display processing unit that causes a display device to display a surrounding situation display image including a host vehicle icon indicating the host vehicle and an image indicating a road division line of the road. The recognition unit transmits, to the display processing unit, center position information obtained by representing the center position of the travel lane in the first direction at intervals of a predetermined first distance on the basis of the recognized road line, and the display processing unit determines the position of the road line on the basis of the received center posi