The present invention contributes to safe driving by facilitating recognition of the timing at which driving assistance is switched. In the present invention, an advance notice display unit obtains information relating to vehicle driving assistance to be disabled and displays a advance notice image for giving advance notice of disabling of the driving assistance on the basis of said information, and a completion display unit obtains information relating to the detection of a disabling operation required for disabling the driving assistance and/or the completion of disabling of the driving assistance and displays a completion image for giving notice of the completion of disabling of the driving assistance or the completion of the disabling operation on the basis of said information.