Consumers can shop, research and configure a GMC vehicle via the GMC Showroom mobile app. The app is available for free download in Apple’s App Store and Google’s Android Market. “We want to be able ...
DETROIT — Owners of most new 2011 Chevrolet, Cadillac, Buick and GMC vehicles won't need the key to start their vehicle if they have their smartphone with them. On Thursday, OnStar executives ...