Takata airbag recall: What you need to know

Shashi Chopra after her accident
U.S. Sen. Amy Klobuchar looked at a photo of Shashi Chopra taken after her accident that left her blind when a passenger-side airbag deployed and struck her in the face. Klobuchar visited Shashi Chopra and her husband, Pramod, in their North Oaks home on Monday, Nov. 24, 2014.
Brandt Williams | MPR News file

Late last week, three more automakers — Fiat Chrysler, BMW and Honda — issued recalls because of airbags that are possibly faulty.

That means 34 million cars nationally, and over 50 million worldwide, now have been recalled because of airbags made by supplier Takata. We're now in the largest automotive recall ever.

The airbags are said to explode prematurely, especially after prolonged exposure to high humidity. So how does a company choose to go public with a recall, and what are the calculations involved?

MPR News' Tom Crann gets three perspectives on recalls and auto safety.

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