Several companies are working on technology that uses radio waves inside a vehicle to detect the presence of a living being inside a parked vehicle.
Mandatory Credit:	CNN

Several companies are working on technology that uses radio waves inside a vehicle to detect the presence of a living being inside a parked vehicle.
Mandatory Credit: CNN

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In-car radar could save children from tragic hot car deaths

One hot June day in Louisiana, Tyler Cestia was supposed to drop his son off at a babysitter before continuing on to work. His two-year-old boy, Thomas, asked to ride in the “big boy seat,” the child safety seat his older brother usually rode in, the one right behind the driver’s seat. Once he was buckled in, it was nearly impossible to see him from the driver’s seat, and he didn’t make a sound.