DRIVING SUPPORT DEVICE, VEHICLE, DRIVING SUPPORT METHOD, AND STORAGE MEDIUM

The present invention provides a driving support device that performs driving support of a vehicle, comprising: a detector configured to detect a state of a driver of the vehicle; and a controller configured to control the driving support with a setting validated by the driver among a plurality of settings including a first setting and a second setting each of which requests the driver to perform a predetermined operation obligation, wherein the controller is configured to invalidate the second setting, in a case of determining that the driver does not fulfill the operation obligation from a detection result of the detector in a state where the second setting is validated.