Chicago Curious Kids: What are the car seat and booster seat laws in Illinois for kids?

A simple guide to the current car seat laws in the state of Illinois as well as additional safety practices to make sure your little ones are safe on the road.

Whether you’re new parents or have a child who is about to hit a certain age milestone, it is important to stay up-to-date on state car seat laws. This simple article breaks down the basics of the current child car safety laws in Illinois.

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What are the statewide car/booster seat laws in Illinois?

According to the Illinois Child Passenger Protection Act, it is required by Illinois law that children use restraint systems appropriate for their age and size. Each of these three types of restraints has its own set of guidelines: 

Rear-facing car seats

Infants and toddlers are especially vulnerable while riding in motorized vehicles, which is why children who are under 2 years of age are required to ride in a rear-facing car seat. 

Children older than 2 are still encouraged to ride in a rear-facing seat until they exceed 40 pounds in weight and 40 inches in height, or outgrow their specific seat’s age and size limits. Rear-facing car seats should never be positioned in front of an active airbag. If they are more than an inch at the belt path, then they are not secure enough.

Forward-facing car seats

Once a child outgrows their rear-facing car seat, they must ride in a forward-facing seat with a harness system. The typical age range for a forward-facing seat is 2-8 years of age, depending on the child’s size and height and individual seat limits.

Booster seats

Once a child outgrows their forward-facing car seat, they must use a booster seat, as well as lap and shoulder seatbelts. The typical age range for a booster seat is 4-12, depending on the child’s size and height and individual seat limits.

Since a passenger’s lap belt is supposed to be positioned across the thighs and the shoulder belt across the shoulder and chest in order to fit properly, a child must keep riding with a booster seat until they are tall enough to fit both the lap and shoulder belts without one. 

Seat belts

Once a child outgrows their booster seat, they will only need to use seatbelts, but the seatbelts must still be positioned correctly and securely tightened.

What are the proper ways to use child passenger restraints?

Child passenger restraint systems should also be used properly so they can keep children adequately safe. It is important to check the instruction manual when installing car seats and adjusting restraints to make sure everything is in the right position and in good condition.

Car seats with harness systems and seatbelts can pose a health risk if they are not positioned correctly or become worn out and less secure from frequent use. Parents and guardians should check them regularly and make sure to adjust or replace as needed.

These laws are in place for the protection of children of all ages. Car crashes, even minor ones, are serious, and some children are at greater risk of injury or death than others based on their physical development. Using the correct seat to accommodate a child’s rapid growth lowers their risk of severe injury or death in accidents and keeps them restrained enough to avoid falling and accidentally injuring themselves during regular car movement.

Did you know?

There are many local organizations, including some fire department and police stations, that will install your car seat correctly. When searching for this assistance, make sure to look for locations with certified car seat technicians.

Advocate Children’s Hospital

  • Location: 1675 Dempster St., Park Ridge; 4440 West 95th St., Oak Lawn
  • Contact: 708-684-7019

Chicago Car Seat Pro

  • Location: She comes to you!
  • Contact: Lauren@ChicagoCarSeatPro.com

Safe Kids Worldwide

  • Location: Several locations across Illinois
  • Contact: Check the website for contact information for your location

University of Illinois Chicago Police Department

  • Location: 943 West Maxwell St., MC 268, Chicago
  • Contact: uicpdpace@uic.edu

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