GM admits more problems with mislabeling of ignition switch parts
July 18, 2014 at 20:01 PM EDT
DETROIT, July 18 (Reuters) - General Motors Co in 2003 and 2004 made changes to redesigned ignition switch parts on four models but did not ensure that older, potentially faulty parts were taken out of circulation, the automaker said in a filing with U.S. safety regulators made public on Friday.