Service Manuals

Service Manuals have the diagnosis and repair information on the engines, transmission, axle, suspension, brakes, electrical, steering, body, etc.

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    Potential Issues
    Some OnStar services are disabled after five days. OnStar cannot perform Remote Door Unlock or Stolen Vehicle Assistance after the vehicle has been off continuously for five days. After five ...

    Setting the Auto Time Adjust
    ]1. Press the CONFIG button and select Time and Date Settings, or press . 2. Highlight Auto Time Adjust. 3. Press SELECT to turn Auto Time Adjust on or off. 4. Press SELECT button to select ...

    High-Beam On
    The high-beam on light comes on when the high-beam headlamps are in use. See Headlamp High/Low-Beam Changer  for more information. ...