what percentage are child safety seats improperly installed
to have their childrenâs car seats checked for proper installation during National Child Passenger Safety Week, September 15-21. âTwo facts stand out when considering the safety of our children traveling in cars and trucks: motor vehicle crashes are the leading killer of children under 13 and at least 70 percent of child safety seats are improperly installed,â said Christopher J. Murphy, Director of the California Office of Traffic Safety.