This document provides an overview of the modules covered in the National Child Passenger Safety Technician Renewal Testing Course. The course aims to update technicians on changes in child passenger safety, including updated state laws, technical changes to restraint systems, injury prevention information, and recommendations for correctly transporting children of various ages in car seats, booster seats, and seat belts. Key topics covered include air bags, lower anchors and tethers, extended rear-facing and forward-facing car seat limits, booster seat use, and conducting checkup events to ensure proper child restraint installation.