Notification system and vehicle comprising notification system

A notification system, comprising:

• a seat;
• a luggage storage place in a space below the seat;
• a luggage detection unit that is provided under the luggage storage place and detects a presence of luggage in the luggage storage place, the luggage being held by a user;
• a seating detection unit that detects whether or not the user is seated on the seat;
• a notification unit that notifies the user of presence or absence information associated with the luggage;
• and
• a control unit that is connected to and controls the luggage detection unit, the seating detection unit, and the notification unit,
• wherein an opening for loading and unloading the luggage is formed in front of the luggage storage place,
• wherein the luggage detection unit is located on an opposite side of the seating detection unit across the seat and the luggage storage place, and at least a portion of the luggage detection unit is arranged to overlap the seat in a top view, and
• wherein, when the luggage detection unit detects the luggage after an elapse of a predetermined time from when the seating detection unit has detected that the user has left the seat, the control unit causes the notification unit to notify the user that the luggage has been detected.