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GM Introduces World's First Dual Depth Frontal Airbag

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Khatir Soltani

"In addition," Lange added, "people should always wear safety belts because they help to keep them in the proper position if

"The dual depth airbag helps us tailor front passenger restraint based on the location of the passenger seat and the force of the crash." (Photo: General Motors of Canada)
the airbag does inflate. And children under 12 should always be properly restrained in a rear seat."

The new dual depth airbag is situated behind the dashboard just like the conventional passenger-side airbag, and when required takes only milliseconds to determine the airbag shape needed to be deployed via GM's Sensing Diagnostic Module (SDM). If a smaller airbag is needed, a tether within holds the entire airbag back when gas is vented into the bag from the module housing, reducing the impact on the passenger. The tether would be released for a larger airbag to deploy, and the module-housing

"Early indicators show that the dual depth passenger frontal airbag may help us achieve improved scores in frontal crash tests." (Photo: General Motors of Canada)
vent is shut off allowing the airbag to expand to its full size.

Dual depth airbag technology is GM's latest advancement in occupant safety, following a recent announcement that stated electronic stability control and the OnStar safety and security system would become standard on every retail vehicle sold in North America - a move that only excludes some commercial trucks.

"Only GM offers a full range of cars, trucks and SUVs that provide safety features that operate before, during and, thanks to OnStar, after a crash," commented Lange. "Early indicators show that the dual depth passenger frontal airbag may help us achieve improved scores in frontal crash tests."

Khatir Soltani
Khatir Soltani
Automotive expert
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