Unable to Connect to OnStar Message

GMC Sierra / GMC Sierra Owners Manuals / OnStar / OnStar Additional Information / 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 Vehicle and Power Issues to try the call again or try again after driving a few miles into another cellular area.

    See also:

    Antilock Brake System (ABS)
    This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When the engine is started and the vehicle begins to drive away, ABS checks ...

    Exterior
    As part of the 2003 redesign, the Savana's front end gained a new grille, bumper, fascia, hood and fenders. Upscale reflector-type headlights were installed, and the taillamps were revamped. Lig ...

    StabiliTrak® OFF Light
    This light comes on briefly while starting the engine. If it does not, have the vehicle serviced by your dealer. If the system is working normally, the indicator light then goes off. Press and rel ...