HRS §286-21
Driving vehicles with broken or unsafe equipment
You cannot drive or move any vehicle on a highway unless its required equipment works properly and is adjusted correctly. The equipment must not put the driver, passengers, or people on the road in danger. This rule applies to motor vehicles, mopeds, trailers, and similar vehicles.
everyone
The statute, as written — Vehicles and mopeds without required equipment or in unsafe condition
No person shall drive or cause to move on any highway any motor vehicle, moped, trailer, semitrailer, or pole trailer, or any combination thereof, unless the equipment thereon is in good working order and adjustment as required in this part and does not endanger the driver or other occupant or any person upon the highway.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.