General Motors CEO Mary Barra addresses the media during a roundtable meeting with journalists in Detroit, Thursday, Jan. 23, 2014. (AP Photo/Carlos Osorio)
General Motors CEO Mary Barra addresses the media during a roundtable meeting with journalists in Detroit, Thursday, Jan. 23, 2014. (AP Photo/Carlos Osorio)
General Motors CEO Mary Barra addresses the media during a roundtable meeting with journalists in Detroit, Thursday, Jan. 23, 2014. (AP Photo/Carlos Osorio)
General Motors CEO Mary Barra addresses the media during a roundtable meeting with journalists in Detroit, Thursday, Jan. 23, 2014. (AP Photo/Carlos Osorio)
General Motors executive chief engineer Jeffrey Luke holds up the North American Truck of the Year award after the Chevrolet Silverado won at the North American International Auto Show in Detroit, Monday, Jan. 13, 2014. (AP Photo/Paul Sancya)