The driver is responsible to make sure the child is properly restrained. Emergency, commercial, and mass transit vehicles are exempt. See the Keiki Injury Prevention Coalition Event Calendar for child safety seat checkups. Mandatory use of seat belts, when, penalty. Except as otherwise provided by law, no person shall operate a motor vehicle upon any public highway unless the person is restrained by a seat belt assembly and any passengers in the front or back seat of the motor vehicle are restrained by a seat belt assembly if between the ages of four and fourteen, or are restrained pursuant to section 291-11.5 if under the age of four.
Drivers are responsible for themselves and passengers under the age of fifteen.
Passengers fifteen years old and older must wear a seatbelt in the front seat. Passengers fifteen to seventeen years old must wear a seat belt in the rear seat.