An infant's car seat should be positioned in the?

An infant's car seat should be positioned in the back seat of the vehicle, preferably in the center position if it can be securely installed there. It should always be rear-facing, as this provides the best protection for the infant's head, neck, and spine in the event of a crash. Ensure the seat is installed tightly and that the harness is properly adjusted for a snug fit. Always refer to the manufacturer's instructions for specific guidelines on installation and usage.