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

A. Correct. The American Academy of Pediatrics (AAP. recommends keeping infants rear-facing in their car seats until at least the age of 2, or until they reach the maximum weight and height limits recommended by the car seat manufacturer. This is to ensure optimal safety for the child's head, neck, and spine. B. Incorrect. The retainer clip should be positioned at armpit level to ensure proper fit of the harness straps. C. Incorrect. While it's important to ensure the proper recline angle of the car seat, the specific angle may vary based on the car seat manufacturer's instructions. D. Incorrect. It is not safe to enable the airbag when a baby is in the front seat, as airbags can be dangerous for infants due to their size and vulnerability.