IN-VEHICLE UNIT, NOTIFICATION SYSTEM FOR VEHICLE, AND PORTABLE TERMINAL

摘要

PROBLEM TO BE SOLVED: To provide a new technology for notifying any crew other than a driver in accordance with the state of a vehicle or the state of the outside of the vehicle.SOLUTION: The in-vehicle unit determines whether or not it is necessary to notify the crew of a vehicle on the basis of data of the behavior of a vehicle or the like, and a portable terminal 2 notifies any crew other than the driver on the basis of the determination result of determination means which has determined that it is necessary to notify the crew of the vehicle.