General Motors' OnStar telematics division is launching a portfolio of mobile applications for GM's four brands. The company will make brand-specific apps for Chevrolet, Buick, GMC and Cadillac that ...

General Motors' OnStar security, communications, and navigation service has been moving away from its roots as an installed product only on new GM vehicles. Last August, the company introduced OnStar ...

When the Chevy Volt electric car rolls off production lines later this year, owners will be able to obsess over them even when they're not behind the wheel thanks to a powerful mobile app from OnStar ...