A four-year-old weighs 45 pounds and remains within the chosen child seat’s height limit. With no medical exception, what restraint is required in an ordinary belt-equipped car?

Correct answer: A child restraint with an internal harness, used as instructed

Why

For a child at least two years old and weighing less than 55 pounds, use an internal-harness child restraint according to the restraint and vehicle instructions. If the child exceeds the restraint manufacturer’s recommended height limit, the statute instead requires an approved belt-positioning seat. The stated child has not reached that exception. A qualifying written medical recommendation is separately addressed by law.

Verified against Maine Driver License Manual and Motorist Handbook, Rev. 4/24 · Child restraints with a harness · p. 42