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:

    Horn
    To sound the horn, press the center pad on the steering wheel. ...

    Battery
    Refer to the replacement number shown on the original battery label when a new battery is needed. See Engine Compartment Overview for battery location. WARNING Battery posts, terminals, and r ...

    Power Steering Fluid
    See Engine Compartment Overview for the location of the power steering fluid reservoir. When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless ...