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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    Portable Audio Devices
    Some vehicles have a 3.5 mm (1/8 in) auxiliary input and a USB port located in the center console. External devices such as iPods®, laptop computers, MP3 players, CD changers, and USB drives may ...

    Speed Variable Assist Steering
    Some vehicles have a steering system that varies the amount of effort required to steer the vehicle in relation to the speed of the vehicle. The amount of steering effort required is less at slower s ...

    Instrument Panel Illumination Control
    Instrument Panel Illumination Control The brightness of the instrument panel lighting and steering wheel controls can be adjusted. (Instrument Panel Illumination): Move and hold the thumb ...