Sensorsafe, General Motor's Rear Seat Reminder System, Driver's Little Helper Sensor System, Waze
The underlying cause of death as noted on death certificates for cases in which heatstroke is suspected is not always heat-related, and may explain why NHTSA counts are different from those reported by other sources.
List of webpages with up-to-date statistics on heat stroke deaths of children in cars, by year and by state.
The OPRC purchase Lifemeters each year, but get out of stock quickly due to their popularity. Check out this vendor list for low-cost cling or dash-mounted thermometers your organization can purchase to promote heatstroke issues.
An easy-to-use table of vehicle temperature changes (in closed cars during hot weather) that may help public officials and media remind the public about the deadly consequences of vehicle-related hyperthermia.
Contains lots of information and printable media
Also a NHTSA website, but with sliightly different items
Printable documents specific to Parents, Daycares, and Partners, made available from Safe Kids Worldwide
Fact sheets, charts, PSAs