Japanese airbag maker Takata is now admitting responsibility for faulty airbag inflators which is poised to lead to the largest recall in US automotive history.
In finally admitting responsibility, Takata is now being ordered to participate in the investigation.
U.S. Transport Secretary Anthony Foxx says the recall is likely to affect some 34-million vehicles in the US.
"This recall involves eleven auto manufacturers, many different parts suppliers, not just Takata, and roughly double the number of vehicles built in the United States every year. It's fair to say this is probably the most complex consumer safety recall in U.S. history."
Japanese carmakers Honda, Toyota and Nissan have already announced plans to recall millions of their cars because of the faulty airbags.
This will include thousands in China.
The chemical that inflates the air bags can explode with too much force, blowing apart a metal inflator and sending shrapnel into the passenger compartment.
The fault has already led to six deaths and more than 100 injuries worldwide.
US regulators had been battling with Takata for the last year, as the company had refused to deem its products unsafe.
