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UPDATED Hawai‘i Child Passenger Safety Law
What parents and caregivers need to know.
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Hawaii Child Passenger Safety Law
The Child Passenger Safety Restraint Law, effective June 27, 2022, mandates that children under two must ride in a rear-facing seat, raises the age for requiring a child passenger restraint or booster seat to ten years old, and increases fines for certain violations. Click here for the Child Passenger Safety Law.
New Child Passenger Safety Law Overview:
- If the child is under two years of age, the child must be properly restrained in a rear-facing car seat with harness.
- If a child is two years or older but less than four years old, the child must be properly restrained in a rear-facing or forward-facing car seat with harness.
- All children under ten years old must be properly restrained regardless of how many seat belt assemblies are in the vehicle.
- Violators of the law will be required by the court to attend a child passenger safety class approved by the Hawaii State Judiciary.
Hawaii Tax Credit
A Hawai’i state tax credit of $25 per year applies to the purchase of a child safety seat.
Rear-Facing:
- Always read instructions for both the car seat and vehicle for proper installation.
- Keep children in a rear-facing car safety seat as long as possible, until child meets the height or weight maximum of the seat (minimum of 2 years of age).
- Harness straps should be routed through slots that are at or below the child’s shoulders.
- Keep harness straps snug (should not be able to pinch harness at shoulders).
- Place chest clip at armpit level.
- Never put a rear-facing seat in the front seat with an active airbag.
- Recline car seat according to the level indicator on the car seat.
- Thread vehicle belt or LATCH anchor strap through rear-facing belt path.
- Never leave baby alone in and around vehilces.
Forward-Facing with Harness:
- Always read instructions for both the car seat and vehicle for proper installation.
- Keep children in a forward-facing car safety with a harness seat as long as possible, until child meets the height or weight maximum of the seat (minimum of 4 years of age).
- Harness straps should be routed through slots that are at or above the child’s shoulders.
- Keep harness straps snug (should not be able to pinch harness at shoulders).
- Place chest clip at armpit level.
- Thread vehicle belt or LATCH anchor strap through forward-facing belt path.
- Use the Top Tether according to the instructions.
- Never leave a child alone in and around vehilces.
Booster seats:
- Always read instructions for both the booster seat and vehicle for proper use.
- Children should ride in the back seat until at least the age of 13.
- Always use the shoulder and lap belt.
- Shoulder belt should be across the chest and lap belt should be low across the hips.
- Never allow the child to place the shoulder belt under the arm or behind the back.
- Use a high-back booster seat if the vehicle does not have a head restraint.
- Never leave a child alone in and around vehicles.
Seat Belts:
- Most children need to ride in a booster seat until age 10-12 years (at a minimum of 9 years old).
- Children should ride in the back seat until at least the age of 13.
- The child must sit back all the way with the back against the vehicle seat.
- The child’s knees must bend comfortable over the seat cushion.
- The shoulder belt must fit comfortably across the shoulder and chest (never on the neck).
- The lab belt needs to be worn low across the hips (never on the stomache).
- The child needs to sit this way for the entire trip.


