 It's easy to think it couldn't happen to you. We all think that we would never forget our children with us. And as precious as they are to us, for our brains, we go into autopilot mode. It's an unfortunate reality that children die of heat stroke in hot cars. Dr. Emily Thomas, manager of auto safety at Consumer Reports, says even when it's not that hot outside, temperatures inside a car can rise to a dangerous level. We did testing on a 60 degree day.