More Than 30 Million US Drivers Don’t Know If They’re at Risk From a Rare but Dangerous Airbag Blast

Automobile traffic jams Route 93 South in Boston on July 14, 2021. Charles Krupa/AP Photo

DETROIT—More than 33 million people in the United States are driving vehicles that contain a potentially deadly threat: Airbag inflators that in rare cases can explode in a collision and spew shrapnel.

Few of them know it.