A nurse is providing teaching about car seat safety to the parent of a term newborn. Which of the following statements by the parent indicates an understanding of the teaching?

"I should place a rolled blanket along each side of my baby's head in the car seat."

"I should place my baby's car seat rear-facing until 2 years of age.

"I should put the car seat retainer clip at the level of my baby's belly button"

“I should position my baby's car seat at a 90-degree angle in the car.”