Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

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    New Vehicle Break
    Notice: Your vehicle does not need an elaborate break-in. But it will perform better in the long run if you follow these guidelines: • Keep your speed at 55 mph (88 km/h) or less for the first 5 ...

    Playing the Radio
    PWR (Power): Push this knob to turn the system on and off. VOLUME : Turn this knob clockwise or counterclockwise to increase or to decrease the volume. INFO (Information): When the ignition is ...

    Low Fuel Warning Light
    This light comes on for a few seconds when the ignition is turned on as a check to indicate it is working. If it does not come on, have it fixed. The low fuel warning light (A) comes on and a chime ...