1. A method of displaying a vehicle's information, comprising: measuring a set of diagnostic and state values of the vehicle; comparing the set of measured values with a set of related normal values, the normal values being within a preset range for operation of the vehicle; and displaying on a video image a graphical depiction of the measured set of values in comparison to the related normal set of values, with the related set of normal values being predetermined at a certain region of the video image, and the set of measured values being displayed on the video image in relation to the certain region of the normal values.