Sometimes in a busy or nervous state, people forget the items in the back seat after getting out of the car, and the worse state is to forget the children, pets, etc. in the car, which is not as simple as forgetting to bring a bag, especially in the hot summer heat, it is likely to make the children or pets have life-threatening situations.
To prevent such situations, Chapter 301 of Title 49, United States Code, Section 6, is amended by inserting after section 30130 the following new section: "30131 Rear Seat Occupant Alert Systems". "Rulemaking Requirements- Not later than 2 years after the effective date of this section, the Secretary shall issue a final rule requiring all vehicles carrying passengers weighing less than 10,000 pounds to be equipped with an alarm system to alert the operator to check the designated rear seat position after shutting down the vehicle's engine. "
When the fourth-generation Santa Fe hit the market, Hyundai made a promise that the new SUV would have the first rear seat passenger alert system in the auto industry. The rear-seat passenger alert system is not Hyundai's first, as there have been a number of carmakers working on it for a long time, and GM announced in 2016 that it would be developing a rear-seat warning system, but Hyundai promoted it as a world premiere in its press release because the system recognises living creatures.
According to Hyundai's press release, the ultrasonic sensors in the car will know if there is someone in the backseat (or a pet), and when it senses that the driver has switched off the engine and opened the door, it will notify the driver through the display on the dashboard, suggesting that there are still people in the backseat with the car; of course, it is also necessary to take into account that the driver is in a hurry to do something, and in a hurry, he may not even notice the contents of the dashboard, which is fine, and the system also anticipates such a situation. The system also anticipates this situation and will inform the driver by flashing lights, sounding alarms, and even sending messages to the driver to avoid any carelessness that could cause the loved ones to be in a dangerous state.
The use of ultrasonic sensors for monitoring is a proven solution for ROA systems. The product is mounted on the roof of the vehicle and detects moving objects by transmitting and receiving ultrasonic waves, sending an alert message to notify the owner of a moving object in the backseat of the vehicle when it is detected, and also detecting the slightest movement of a person or a pet when it is asleep due to breathing by means of the Doppler effect of the ultrasonic waves.
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