Park assist device, park assist method, and non-transitory storage medium

A park assist device includes: a surroundings information sensor configured to acquire information on an object and an indication that are present around a subject vehicle; and an electronic control unit configured to when a request to start automatic parking control is detected while the subject vehicle is traveling, perform a search process for searching for a parking spot based on the information acquired by the surroundings information sensor, when the parking spot is detected, perform a reception process for receiving a choice as to whether to park the subject vehicle in the detected parking spot, and when a choice to park the subject vehicle in the detected parking spot is received, perform a parking process for controlling movement and operation of the subject vehicle in such a manner that the subject vehicle is parked in the detected parking spot.