Section R. 408.15429 - Controls; self-propelled snow throwersRule 5429.
(1) The traction drive directional control level, when provided on a self-propelled snow thrower, shall be moved forward to cause the machine to move forward and rearward to move in reverse.(2) The throttle control of a self-propelled snow thrower, if separate from the directional control, shall be moved forward or upward to increase speed and rearward or downward to decrease speed.Mich. Admin. Code R. 408.15429