General Motors CEO Mary Barra turns to leave a news conference on Capitol Hill in Washington, Wednesday, June 18, 2014, following her testimony before the House Oversight and Investigations subcommittee hearing examining the facts and circumstances that contributed to General Motors' failure to identify a safety defect in certain ignition switches and initiate a recall in a timely manner. Photo: Cliff Owen, AP FILE - This Jan. 12, 2009 file photo shows the General Motors logo at the North American International Auto Show in Detroit.