The Hot Seat, Babeep and Precious Cargo app — could help save childrens lives by alerting parents if theyve accidentally left their little ones behind. Created by New Mexico teen Alissa Chavez, The Hot Seat is a small pad that parents place under their childs car seat and a proximity sensor attached to a key fob. Although shes a high school senior now, Chavez came up with The Hot Seat idea as an eight grader.