(<= (Car_Position_Indicator_Weight $X 0)
(Car_Position_Indicator_M01 $X))
(<= (Model-Id $X Car_Position_Indicator_M01)
(Car_Position_Indicator_M01 $X))
(<= (Has-Parameter-Slot $X Car_Position_Indicator_Weight)
(Car_Position_Indicator_M01 $X))