VEHICLE DISPLAY DEVICE, DISPLAY METHOD, AND STORAGE MEDIUM

A vehicle display device configured to display a predetermined image on a display region depicting a scene ahead of a vehicle, the vehicle display device including memory and a processor connected to the memory. The processor is configured to identify a traffic lane ahead of the vehicle, identify a position of the vehicle with respect to the traffic lane, set a planned position planned to be a lane change destination based on the identified position of the vehicle, and when the vehicle is to change lanes, display a direction image indicating a direction of progress of the vehicle on the display region, and alter a direction indicated by the direction image based on a relative positional relationship of the vehicle with respect to the planned position.