Battery temperature adjustment system

A battery temperature adjustment system comprising:

• a battery configured to supply electric power to a motor as a drive source of a vehicle;
• a temperature adjustment device to which electric power from the battery is supplied and configured to adjust a battery temperature;
• and
• a control device configured to execute a first control of controlling the temperature adjustment device to maintain the battery temperature within a predetermined temperature range, wherein:
• the control device acquires scheduled parking information of the vehicle in conjunction with schedule information of a user, and determines whether a scheduled parking time period of the vehicle is equal to or longer than a predetermined time period based on the scheduled parking information;
• when the scheduled parking time period is shorter than the predetermined time period, the control device executes the first control during parking of the vehicle, and when the scheduled parking time period is equal to or longer than the predetermined time period, the control device does not execute the first control during parking of the vehicle;
• the control device estimates a distance between the vehicle and a user terminal held by the user;
• and
• when the schedule information is not registered and the distance is equal to or longer than a predetermined distance, the control device notifies the user terminal to register a scheduled parking end time.