See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...

MRC, electric power steering and other advanced control systems
Supporting the ATS's new suspension designs are advanced damping, steering and braking systems, including Magnetic Ride Control. Magnetic Ride Control (MRC) is the heart of the FE3 Sport Suspensio ...