In acquiring the information accumulated in the storage unit of the information center by making the connection of the line connecting the communication unit mounted on the vehicle mounted terminal and the center communication unit of the information center, a process for starting the line connection with the information center is started in advance, when the display on the display unit mounted on the vehicle mounted terminal transfers to the predetermined display contents, whereby the information can be transmitted immediately via the line already connected at the time when an actual operation for transmitting the information from the vehicle mounted terminal to the information center is performed.