The invention provides a display system and a program to display a range part shield by vehicle body when being observed from a driver seat. The range part is linked seamless to scene observed through front window. The display system comprises an image forming device to acquire an image of the range part shield out of the vehicle; a first display device arranged on a vehicle panel; and a control device to process the image acquired by the image forming device. The image displayed on the first display device is linked seamless to the scene observed through the front window, and the image processed is displayed on the first display device.