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:

    Checking Brake Fluid
    You can check the brake fluid without taking off the cap. Look at the brake fluid reservoir. The fluid level should be above MIN. If it is not, have your brake system checked to see if there ...

    Compass
    The vehicle may have a compass display on the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, Stabil ...

    Using Cruise Control on Hills
    How well the cruise control will work on hills depends upon the vehicle speed, load and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to ...