The driver of any motor vehicle when traveling upon a down grade shall not coast with the gears or transmission of the vehicle in neutral or with the clutch disengaged.
Haw. Rev. Stat. § 291C-127
Coasting prohibited
L 1971, c 150, pt of §1
Official source: Hawaii State Legislature. Reproduced from public-domain Hawaii statutes; confirm against the official source for the current text. Not legal advice.