an electronic multi - mode vehicle performance control system selectively provides a digital display of odometer , tachometer , speedometer readings as well as other vehicle performance parameters while avoiding the disadvantages of mechanical systems which are subject to frequent breakdown . provision is made to signal the operator of the vehicle when a preselected maximum vehicle velocity or engine rpm is being exceeded and furthermore to signal the operator when the engine rpm drops below a preset minimum level with the consequent danger of engine stall . other vehicle parameters such as total elapsed engine revolutions is also displayed . also provided are digital speed limit setting means for presetting the desirable vehicle and engine speed limits .