DETROIT --General Motors is adding a free diagnostic monitoring service to its OnStar on-board communications system. The new service performs hundreds of checks of four vehicle operating systems: the ...

After introducing OnStar 4G LTE with Wi-Fi capability and the 84-strong recall tally in 2014, General Motors is getting really serious about keeping users of cars manufactured by the company as safe ...

GM proudly announced today their OnStar system sent the 100,000,000th Vehicle Diagnostics e-mail to its customers and to celebrate, decided to give us an idea of how much money we can save by using ...

The vehicle diagnostics feature of GM’s OnStar system is not widely publicized, but it’s extremely useful. In a nutshell, OnStar emails subscribers a monthly vehicle status report, complete with ...

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 ...

It is going to be standard on all GM vehicles in the U.S. and Canada by the end of ’07. Its technology and service are also offered by non-GM companies, including Lexus. And while there have been and ...