SYSTEM AND PROGRAM

PROBLEM TO BE SOLVED: To provide a system which allows a user to correctly check actual user friendliness including operability, even in an early stage of use start in which information concerning driving of his/her vehicle recorded before an actual use start and during driving cannot be acquired sufficiently to reach a certain amount.SOLUTION: The system includes a regular mode execution part 11a for performing data processing to vehicle state information collected during driving of the vehicle, and a trial mode execution part 11b for performing data processing on the basis of sample data of vehicle state information stored in a sample data storage part 12b-3. The trial mode execution part reads the sample data at the start-up and registers it in a database for trial mode 12b-1 which is temporal storage means, and carries out a demonstration on the basis of the registered data, while it deletes the data registered in the database at the end of demonstration.