No oper­a­tor of a motor vehi­cle shall, when the motor vehi­cle is stopped, accel­er­ate the engine with the gears of such vehi­cle in neu­tral and while so accel­er­at­ing the engine, shift the gears of the vehi­cle into a for­ward or reverse move­ment, there­by caus­ing an unrea­son­ably loud noise with the dri­ve wheels of the vehicle.