The disclosure includes a first information acquiring device configured to acquire motion information related to a motion of an occupant; a second information acquiring device configured to acquire operation information related to an input operation to a predetermined onboard device, the input operation being based on the motion of the occupant; a memory configured to store the motion information and the operation information in association with each other; a motion detecting device configured to detect the motion of an occupant; and a controller configured to, when the motion information related to the motion of the occupant detected by the motion detecting device is stored in the memory, output command information related to an operation command to the onboard device by referring to the operation information stored in association with the motion information.