KRS 189.430: Coasting prohibited -- Unattended vehicle.

(1) The driver of a motor vehicle when traveling upon a down grade shall not coast

with the gears of the vehicle in neutral.

(2) The driver of a commercial motor vehicle when traveling upon a down grade shall

not coast with the clutch disengaged.

(3) No pers on operating or in charge of a motor vehicle shall permit it to stand

unattended without first stopping the engine, locking the ignition and removing the

key, nor allow it to stand upon any perceptible grade without effectively setting the

brake and turning the front wheels to the curb or side of the highway.