GM's OnStar service, installed on many of the auto manufacturer's vehicles, offers GPS navigation, handsfree calling and remote diagnostics. But this past Sunday, it stopped an armed carjacker in his ...

GM will make remote start standard across 36 of its 2014 model year cars – spanning Chevrolet, Buick, Cadillac, and GMC – at no extra cost, the company has announced, as part of a push around its ...