General Motors is adding a personal AI assistant to OnStar as part of a broader makeover of the subscription-based connected car service that the U.S. automaker launched 30 years ago. The OnStar AI Assistant will debut in the 2027 Cadillac Lyriq EV in the coming months, with more GM vehicles to follow, the company said Wednesday at its GM Forward event in New York, where it made a series of other technology announcements. The company said it will launch a new OnStar mobile app in 2027 that will complement a ...