Patent attributes
A server includes a vehicle determination unit, an hour determination unit, and an authentication code transmission unit. The vehicle determination unit is configured to determine whether a reservation object vehicle corresponding to reservation vehicle information is in a parking place object area preset based on detection information of a parking place sensor and the reservation vehicle information. The hour determination unit is configured to determine whether a current hour is equal to or later than a transmission start hour. The authentication code transmission unit is configured to transmit an authentication code to a user terminal of a reservation user, when the vehicle determination unit determines that the reservation object vehicle is in the parking place object area and the hour determination unit determines that the current hour is equal to or later than the transmission start hour.
