All Need To Know About Maine Car Seat Laws 2023

As the safety and well-being of our children are paramount, understanding and adhering to car seat laws is of utmost importance. In the state of Maine, there are specific regulations in place to protect young passengers and ensure their secure transportation. This article aims to provide a comprehensive overview of the Maine car seat laws to help you learn more useful information about laws.

Official Maine Car Seat Laws

To learn more useful details about Official Maine car seat laws, you can check MRS 2081.

Maine Rear-facing Car Seat Law

In Maine, the rear-facing car seat law states that all infants and toddlers under the age of 2 years and weighing less than 30 pounds must be secured in a rear-facing car seat. This law is aimed at ensuring the safety and protection of young children in the event of a car accident.

Forward-facing Seat Laws in Maine

As for forward-facing seat laws in Maine, children who have outgrown their rear-facing seat, either by reaching the maximum weight or height limit set by the manufacturer, must transition to a forward-facing car seat. The law specifies that children should remain in a forward-facing seat until they are at least 4 years old and weigh at least 40 pounds.

Child Booster Seat Laws in Maine

Child booster seat laws in Maine require that children who have outgrown their forward-facing seats use a booster seat until they reach either 8 years of age or 57 inches in height, whichever comes first. Booster seats ensure that the vehicle’s seat belt fits properly and provides adequate restraint for the child.

Leaving Child in Car Law in Maine

Leaving a child unattended in a car is considered a violation of the law in Maine. It is illegal to leave a child under the age of 6 years alone in a vehicle for any amount of time if the car’s running, if the keys are easily accessible, or if there are conditions present that may endanger the child’s health or safety. Violators may face criminal charges and penalties.

Taxi Car Seat Law in Maine

Taxi car seat laws in Maine require that children be secured in an appropriate car seat or booster seat while in a taxi. The law recognizes the importance of child safety and protection in all motor vehicles, regardless of ownership or purpose, and aims to prevent injuries in case of accidents or sudden stops.

Maine Ridesharing Child Seat Law

Maine has specific ridesharing child seat laws that require drivers of ridesharing platforms, such as Uber or Lyft, to provide appropriate car seats for passengers who require them. The driver must legally secure the child in the car seat before the journey begins, ensuring that all children are adequately protected during the ride.

Maine Child Seat Replacement Law

The child seat replacement law in Maine is important for ensuring that car seats are properly maintained and effective in providing safety for children. It is recommended that car seats be replaced after a moderate or severe car crash, as the impact can significantly affect their ability to protect the child. Additionally, car seats should be replaced if they are expired, damaged, or missing parts.

Penalties for Failing to Follow Maine Car Seat Laws

Drivers who do not comply with the laws regarding child car seats may face fines as follows:

  • A fine of $50 for the first offense.
  • A fine of $125 for the second offense.
  • A fine of $250 for the third offense.


How long should a child ride in a rear-facing car seat in Maine?

According to Maine law, a child should ride in a rear-facing car seat until they are at least 2 years old, or until they reach the manufacturer’s specified weight and height limits for their rear-facing seat. It is recommended to keep children rear-facing for as long as possible, as it provides better protection for their head, neck, and spine in the event of a crash.

Can you put a rear-facing car seat in the front seat in Maine?

No, it is generally not recommended or allowed to put a rear-facing car seat in the front seat in Maine. The state requires that children under 12 years of age be properly restrained in the back seat whenever possible, as it is the safest place in the vehicle for them. Additionally, if your vehicle has a passenger airbag, it is crucial to keep children away from it to avoid potential harm from the airbag deploying.

When Can My Child Sit in the Front Seat in Maine?

The state of Maine follows the recommendation from the American Academy of Pediatrics (AAP), which suggests that children should sit in the back seat until they are at least 13 years old. However, it is important to note that Maine law does not specify an exact age for when a child can sit in the front seat. It is best to keep children in the back seat until they are old enough and/or reach the appropriate height and weight to safely use the vehicle’s seat belts.

When to use a backless booster seat in Maine?

In Maine, children should use a backless booster seat once they have outgrown a forward-facing harness seat. According to state law, a child can transition to a booster seat when they are at least 4 years old and have reached the weight and height limits for their forward-facing seat. A booster seat helps position the vehicle’s seat belts properly on a child’s body, enhancing their safety and reducing the risk of injury in a crash.

Is it Illegal to Smoke in a Car with a Child in Maine?

Yes, it is illegal to smoke in a car with a child in Maine. The state has enacted a law that prohibits smoking in a vehicle if there is a child under the age of 18 present. This law aims to protect children from the harmful effects of secondhand smoke, which can increase the risk of respiratory problems, asthma, and other health issues. Violating this law can result in fines and penalties.


In conclusion, understanding and complying with car seat laws in Maine are vital for the safety of our children while traveling by car. Whether it’s the rear-facing car seat requirement for infants and toddlers, the transition to a forward-facing seat, the use of booster seats, or the prohibition of leaving children unattended in vehicles, these laws are in place to protect our loved ones from harm.