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Photo: SolStock via Getty Images

All vehicles could soon be equipped with warning systems aimed at preventing children from dying in hot cars, but safety advocates say a law working its way through Congress won't do enough to save lives.

Why it matters: Nearly 40 children die every year of heatstroke because they were left in the back seat by a parent or caregiver — or climbed inside a car on their own. Since 1990, approximately 1,000 kids have died nationwide, according to KidsAndCars.org.

  • Four have died this month to date, including a baby who suffocated in a car after her mother was shot and killed in Orlando, Florida, and twin toddlers who died in a hot car in South Carolina.

Driving the news: The bipartisan infrastructure bill that passed the Senate last month would require new motor vehicles to have an alert system that would remind people to check the back seat upon exiting the car.

  • The House expects to take up the bill this month.
  • The law would replace a voluntary commitment by automakers to equip virtually every new car with a rear-seat reminder system by the 2025 model year.

Where it stands: Many new models now come with such reminders via a text message in the instrument cluster, typically accompanied by a chime, when the engine is turned off.

  • I drove a 2022 Nissan Pathfinder recently that annoyingly honked six times at me whenever I walked away from the vehicle; I finally realized it was the rear-seat reminder.
  • I repeatedly dismissed the warning on the steering wheel, but to permanently shut it off, I would have had to tinker with the car's settings.

How it works: Most rear-seat reminders are triggered by "door logic" — that is, the system recognizes that the driver opened a rear door at the beginning of the trip.

Yes, but: that technology doesn't know whether the driver opened the door to put groceries or a purse in the back seat — or to buckle in a child.

  • And it doesn't address the issue of unattended children climbing into a car by themselves — about 25% of all hot car deaths.

What's needed: Cars need more than just a dashboard reminder that can be easily ignored or dismissed by the driver, says Emily A. Thomas, automotive safety engineer at Consumer Reports.

  • They need technology that can actually detect the presence of a car occupant.
  • So far, only Korean models sold under the Hyundai, Kia and Genesis brands have ultrasonic sensors that can detect movement inside the vehicle — but they are not standard on all models.
  • The new Genesis GV70 SUV goes a step further with a more sensitive radar sensor that is able to detect a baby's breath.

What they're saying: Carmakers can — and should — do more, said Janette E. Fennell, president of KidsAndCars.org.

  • "You can't purchase a vehicle today that doesn't automatically turn off your headlights when you get out of the car. Who decided it's more important not to have a dead car battery than a dead baby?"

What to watch: The occupant detection systems that could prevent children from dying in hot cars operate on the same technology that autonomous vehicles will need in the future to detect and monitor passengers, she noted.

Go deeper

Pelosi's back-to-school math problem

Illustration: Sarah Grillo/Axios

House Speaker Nancy Pelosi (D-Calif.) may need votes from an unlikely source — the Republican Party — if she hopes to pass the bipartisan infrastructure bill by next Monday, as she's promised Democratic centrists.

Why it matters: With at least 20 progressives threatening to vote against the $1.2 trillion bipartisan bill, centrist members are banking on more than 10 Republicans to approve the bill.

By the numbers: Haitian emigration

Expand chart
Data: CBP; Chart: Sara Wise/Axios

The number of Haitians crossing the U.S.-Mexico border had been rising even before their country's president was assassinated in July and the island was struck by an earthquake a month later.

Why it matters: A spike during the past few weeks — leaving thousands waiting in a makeshift camp under a bridge in Del Rio, Texas — has prompted a crackdown and deportations by the Biden administration.

Biden's communication headaches

President Biden stands with British Prime Minister Boris Johnson and French President Emmanuel Macron at the G7 summit in June. Photo: Patrick Semansky/Pool/AFP via Getty Images

Boris Johnson told reporters on his way to the U.N. General Assembly on Sunday night he didn't believe it was likely that the U.S. would agree to lift its ban on vaccinated foreign travelers this week. Hours later, the White House did exactly that.

Why it matters: For the second time in less than a week, a major U.S. foreign policy decision by the Biden administration appears to have caught one of its closest allies by surprise. And neither was the first time, either.