Patent ID: 7499800

Claim:
A method of vehicle navigation comprising the acts of: providing a storage medium in a vehicle, the storage medium operable to store map data and facility data; providing a vehicle position detector operable to detect a present position of a vehicle; providing a display device; providing a communications device operable to establish communication connection with a data transmission center outside the vehicle; reading map data stored in the storage medium based on the vehicle position detected by the vehicle position detector to display a map on the display device; updating map data and facility data stored in the storage medium based on other map data and other facility data obtained from the data transmission center via the communications device, the other map data and other facility data comprising data regarding a recently established facility; displaying a unique image representing the existence of the recently established facility on the map on the display device when the vehicle approaches the recently established facility, wherein the unique image distinguishes the recently established facility on the map from facilities that are not recently established; saving information about the recently established facility in a temporary storage area of the storage medium; and deleting information about the recently established facility stored in the temporary storage area after a specified period of time has elapsed; wherein the recently established facility is displayed irrespective of a request regarding the recently established facility.