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Hawaii driving lesson · Safe Driving Techniques

Seat belts and child safety

A 3-minute lesson from the Hawaii course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.

Read time
3 minutes
Course unit
Safe Driving Techniques
Checkpoint questions
6
Source pages
20, 61, 62, 63, 64

In a crash, the car stops but your body keeps going until something stops it. A belt ties you to the car so you slow down with it. Hawaii requires belts for everyone, front and back, and special seats for young children.

Know the rule

All front and back seat occupants are required by law (291-11.6, HRS) to use seat belts.

Handbook p. 20 ↗

Children in vehicles

Children in vehicles
ChildRequired
Under age 4Child restraint
Under 8, under four feet and under 40 lbBelted on a booster seat
Handbook p. 20 ↗

Safety belts protect you by preventing you from:

  • Being thrown from your car
  • Striking the windshield or other interior parts
  • Being thrown against and injuring other people in the car
  • Being thrown from the driver's seat, away from the controls
Handbook p. 61 ↗
5 times

Greater chance of being killed if you're thrown from your car

Handbook p. 61 ↗
60 mph

Crash speed you can survive wearing lap and shoulder belts

Handbook p. 61 ↗
12 mph

Crash speed at which an unbelted person can be killed

Handbook p. 61 ↗

Know the rule

Lap belts fit snugly across your hip bones and lower abdomen. The shoulder belt is a little looser: you should fit your fist between belt and chest.

Handbook p. 61 ↗

Know the rule

Never let a child ride in someone's lap or standing on a seat. No one is strong enough to hold even a small infant in a crash or sudden stop.

Handbook p. 61 ↗

In a 30 mph crash the car crushes and takes 1/10 second to stop. An unbelted person keeps moving at 30 mph and, 1/50 second after the car stops, slams into the dashboard and windshield, stopping in only 1/100 second: the human collision. Belted people ride down the crash with the car.

Car seat do's and don'ts:

  • Never carry a baby in your arms
  • Keep the harness snug and the seat belt tight on the car seat
  • Don't wrap the baby in a blanket under the harness – buckle the harness, then fold the blanket over
  • Support the baby's head and body
Handbook p. 63 ↗

Know the rule

You or any adult passenger may not leave a child under nine years old unattended in a motor vehicle for five minutes or longer.

Handbook p. 64 ↗

Know the rule

An unattended child can suffer extreme heat exposure, or be hurt if the car is stolen or if they operate the brakes, power windows or trunk release.

Handbook p. 64 ↗

Put it into practice

You'll only be in the store for ten minutes, and your 6-year-old is asleep in the back. Take the child with you: leaving a child under nine unattended for five minutes or longer is against Hawaii law.

Check your understanding

Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.

Under Hawaii law (291-11.6, HRS), which vehicle occupants must use seat belts?
  1. Only the driver
  2. Only front seat occupants
  3. All front and back seat occupants
  4. Only the driver and occupants under age 18

Answer: All front and back seat occupants

All front and back seat occupants are required by law to use seat belts.

Handbook p. 20 ↗
If you are thrown from your car in a crash, your chances of being killed are how many times greater?
  1. Two
  2. Three
  3. Five
  4. Ten

Answer: Five

Your chances of being killed are five times greater if you are thrown from your car, which safety belts help prevent.

Handbook p. 61 ↗
Without a seat belt, a driver can be killed in a crash at speeds as low as:
  1. 40 mph
  2. 5 mph
  3. 12 mph
  4. 25 mph

Answer: 12 mph

Unbelted occupants can be killed in crashes at speeds as low as 12 mph.

Handbook p. 61 ↗
With a lap and shoulder belt, you can survive a crash at speeds up to about:
  1. 90 mph
  2. 60 mph
  3. 45 mph
  4. 30 mph

Answer: 60 mph

A properly worn lap and shoulder belt can allow survival at crash speeds up to about 60 mph.

Handbook p. 61 ↗
A properly fitted shoulder belt should be:
  1. as loose as possible
  2. worn under your arm
  3. snug, with room for your fist
  4. pulled tight against your chest

Answer: snug, with room for your fist

The shoulder belt should be not quite as tight as the lap belt, so you can insert your fist between the belt and your chest.

Handbook p. 61 ↗
Hawaii law prohibits leaving a child under age 9 unattended in a vehicle for:
  1. any amount of time
  2. five minutes or longer
  3. fifteen minutes or longer
  4. one hour or longer

Answer: five minutes or longer

Leaving a child under 9 unattended for five minutes or more is prohibited.

Handbook p. 64 ↗
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