Management system of on-board vehicle instruments, especially for industrial or commercial vehicles

The present invention refers to an on-board vehicle instrument control system for industrial or commercial vehicles, or automobiles, which comprises: a programmable control unit; a touch display (100) suitable for showing, at least in an area (103), at least an ideogram (2,3) representing a function of an on-board instrument; at least a button (1,3) that can be associated to said function of said on-board instrument, and characterized in that said control unit is programmable in order to control the disposition of said ideogram in said area (103) of the display (100) and said association with said button (1,3).