2017 Car Seat Law Regulations

Current California Law:

  • Children under 2 years of age shall ride in a rear-facing car seat unless the child weighs 40 or more pounds OR is 40 or more inches tall. The child shall be secured in a manner that complies with the height and weight limits specified by the manufacturer of the car seat.
  • ​Children under the age of 8 must be secured in a car seat or booster seat in the back seat.
  • Children who are 8 years of age OR have reached 4’9” in height must be secured by a safety belt.
  • Passengers who are 16 years of age and over are subject to California’s Mandatory Seat Belt law.

If you’re not confident of how to properly secure your child in a safety seat, contact your local CHP Area Office, and ask to speak with a child passenger safety technician. Click on this link to locate a local Area Office anywhere in California.

When can a child graduate to a booster seat?

California law does not address graduation time from a five point harness to a booster seat. In the interest of safety, do not rush to move a child into a booster seat before they’re ready. Each time you “graduate” your child to the next seat, there’s a reduction in the level of protection for your child. Keep your child in each stage for as long as possible.

A child is ready for a booster seat when they have outgrown the weight or height limit of their forward-facing harnesses, which is typically between 40 and 65 pounds. Read the forward-facing car seat’s owner’s manual to determine height and weight limits, and keep your child in a harnessed seat for as long as possible.

Children at this stage are not yet ready for adult safety belts and should use belt-positioning booster seats until they are at least 4’9″ and between 8 and 12 years old. Safety belts are designed for 165-pound male adults, so it’s no wonder that research shows poorly fitting adult belts can injure children.

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