General Motors 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 ...

Auto safety advocates say newly released internal documents show automaker rejected safer switch in 2001, and that cost was the reason.

DETROIT: 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 ...