Unable to Connect to OnStar Message

If there is limited cellular coverage or the cellular network has reached maximum capacity, this message may come on. Push call again or try again after driving a to try the call again or try again after driving a few miles into another cellular area.

    See also:

    Magnetic Ride Control
    With this feature on the CTS-V, the Magnetic Ride Control system adjusts the ride of the vehicle to Tour or Sport modes. Magnetic Ride Control monitors the suspension system to determine the ...

    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 ...

    Keyless Unlocking
    With the keyless access transmitter within 1m (3 ft), approach the front door and pull the handle to unlock and open the door. On some models there is a touch sensor on the door handle. If t ...