Vehicle and Power Issues

OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.

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    Loss of Control
    Let us review what driving experts say about what happens when the three control systems — brakes, steering, and acceleration — do not have enough friction where the tires meet the road to do ...

    Reducing Speed While Using Cruise Control
    To reduce your speed while using cruise control: • Press and hold the SET– button on the steering wheel until the desired lower speed is reached, then release it. • To slow down in very sm ...

    Exit Lighting
    This allows selection of how long the exterior lamps stay on when leaving the vehicle and it is dark outside. Press SELECT when Exit Lighting is highlighted. Turn the Menu knob to select Of ...