REAR CROSS TRAFFIC ALERT DEVICE

Provided is a rear cross traffic alert device that allows a driver to understand that notification of the presence of an object (another vehicle, etc.) in an area directly behind the vehicle cannot be notified. The rear cross traffic alert device provided on a vehicle includes: an object detection section configured to detect the presence of an object laterally behind the vehicle; a movement determination section configured to determine whether or not the object has entered a predetermined area in a detection area in which the object detection section can detect the presence of the object; and a notification control section configured to stop notification when the movement determination section has determined that the object has entered the predetermined area.