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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    CALIBRATING DRIVE IN CIRCLES
    This message displays when calibrating the compass. Drive the vehicle in circles at less than 8 km/h (5 mph) to complete the calibration. See Compass for more information. ...

    Wireless Headphones
    The two wireless headphones included with the Headrest DVD RSE system will only work with the Headrest DVD RSE system and are marked for channel 3 and 4. The wireless headphones must be used withi ...

    Turn Signals When Towing a Trailer
    The turn signal indicators on the instrument panel flash whenever signaling a turn or lane change. Properly hooked up, the trailer lamps also flash, telling other drivers the vehicle is turning, ...