IN-VEHICLE SYSTEM, VEHICLE, INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM

An in-vehicle system comprises a sensor (14); a plurality of display devices; and a processor (101) configured to execute: estimating a first direction that is a direction in which a driver is focusing based on first data that is data acquired by the sensor; and in a case where a predetermined notification to the driver occurs, outputting the predetermined notification at a first display that is a display device selected based on the first direction among the plurality of display devices.