ON VEHICLE INFORMATION SYSTEM, ON VEHICLE DEVICE, INFORMATION TERMINAL

摘要

PROBLEM TO BE SOLVED: To obtain information in an information terminal without fail when the information from a vehicle is needed, and to reduce the information amount communicated between the vehicle and the information terminal.SOLUTION: A portable terminal 2 determines whether or not vehicle information is needed through a control unit 20. If the portable terminal 2 determines that the vehicle information is needed, an interface part 25 transmits requested data to an on vehicle device 1 to request the vehicle information. The on vehicle device 1 collects the vehicle information from the vehicle through a control part 10 in response to the request from the portable terminal 2 and transmits the vehicle information to the portable terminal 2.