Do you trust a robot with your baby? The quest to invent a safer car seat poses the question.

The 4moms car seat aims to take on an even tougher challenge. More than 70 percent of car seats are misused — mostly incorrect positioning and loose straps, according to federal safety data. There’s even a network of trained inspectors — stationed at hospitals and fire and police stations across the nation — who you can visit to verify that a car seat is installed the right way. Car seats are difficult to use.