To require the Secretary of Transportation to issue a rule requiring all new passenger motor vehicles to be equipped with a child safety alert system, and for other purposes.

Helping Overcome Trauma for Children Alone in Rear Seats Act or the HOT CARS Act of 2017 This bill directs the Department of Transportation to issue a final rule to require that all new passenger motor vehicles weighing less than 10,000 pounds be equipped with a system for rear seating positions to alert (by an auditory and visual alert that may be combined with a haptic alert) the motor vehicle operator to check rear designated seating positions after the vehicle motor is deactivated. A state shall use a portion of its highway safety program funds to educate the public on the risks of leaving a child or unattended passenger in a vehicle after the vehicle motor is deactivated.