A nurse is reinforcing teaching about car seat safety with a new parent. Which of the following statements should the nurse include in the teaching?

A. You should keep the car seat rear facing until your baby is 6 months old
B. You should place the shoulder harness at the level of your baby's shoulders.
C. You should place the retainer clip at the level of your baby's abdomen.
D. You should position your baby in the car seat at a 30 degree angies