| 摘要 |
PROBLEM TO BE SOLVED: To easily set a sleep position suitable for a user according to various kinds of vehicles.SOLUTION: A portable terminal 20 accepts input of a sleep position which is a seat position when a user sleeps, and stores the sleep position in a storage part 25 for every kind of a vehicle, and according to user operation, reads out the sleep position according to the vehicle on which the user rides, from the storage part 25, transmits the sleep position to a vehicle side device 10. The vehicle side device 10 receives the sleep position from the portable terminal 20, then sets to the seat position in which the user sleeps according to the sleep position. |
