There was once a time when parents would toss their kids in the back seat, turn the key and drive.  No longer.  Messaging and publicity about the issue of car safety has given rise to dozens of types of carseats, each seemingly requiring a masters degree to install properly. 

 New numbers show one in four parents say they are lax about carseat use. 

This week, cities and towns across the country, including ones in the Delaware Valley, are holding car seat checkup events to make sure parents have done it right.  NewsWorks Tonight Producer, Shai Ben-Yaacov, spoke with Kate Carr, President and CEO of Safe Kids Worldwide--an organization dedicated to child safety.