An information processing device is installed in a vehicle and comprises an action history DB which stores a plurality of action histories including a combination of a content that was played based on an instruction of a user and a situation in which the content was played, and an automatic playing unit which, when a current elapsed time as an elapsed time from a time that an ignition switch of the vehicle was most recently turned ON or a current travel distance as a travel distance from a time that an ignition switch of the vehicle was most recently turned ON matches any one of the action histories of the action history DB, plays a content included in the matching action history.