Information providing method, information providing system, as well as, information providing center and the vehicle-mounted device to configure the information providing system

摘要

An information providing system (SYS), which provides information with a vehicle to assist driving the vehicle via a road-to-vehicle communication, comprises an information providing center (R) which has version-controlled first static information (R20) and transmits service information including version information of matching static information, the service information being generated by using the first static information (R20); and an on-vehicle device (V) which has version-controlled second static information (V20) corresponding to the first static information (R20), implements a drive assist service by using the second static information (V20) and service information received from the information providing center (R), and determines content of the drive assist service to be implemented, based on version information included in the service information and version information of the second static information (V20).