Security video shows as a 10-year-old boy jumps out of a stolen SUV.
The 6-year-old girl is OK, but her mother said the daycare tried to brush off the incident.
A new device promises to send alerts to a parent's cell phone to remind them there's a child in a car seat, aiming to prevent hot car deaths.
Police say the boy's father went to Los Lazos Mexican restaurant for work and left him in the car.
Authorities say the parents got home around midnight, left the girl in the car and fell asleep.
The Redlands Police Department is honoring an officer who helped rescue two young children locked inside a car where the temperature had climbed to 138 degrees.