We send out one car seat to the same Specialist crash test facility the National Highway Transportation Safety Association (NHTSA) uses for testing. The seats undergo Specialist crash testing using the appropriate dimensions crash test dummies and sensors. We run a slightly hotter (more quickly) test than the federal standard https://delta-10-edibles93567.pointblog.net/considerations-to-know-about-car-seats-for-uppababy-cruz-75800285