In 2014, over 6 million General Motors vehicles were recalled due to what critical flaw?

In 2014, over 6 million General Motors vehicles were recalled due to a critical flaw in their faulty ignition switches. This flaw could cause the switch to unexpectedly move out of the "run" position, resulting in the loss of power steering, power brakes, and disabling of the airbags. This flaw was linked to numerous accidents and fatalities, leading to the recall of millions of vehicles to rectify the dangerous defect.