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 days, OnStar can contact Roadside Assistance and a locksmith to help gain access to the vehicle.

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    Electric Power Management
    This vehicle has Electric Power Management (EPM), an advanced control system. It estimates the battery’s temperature and state of charge and then adjusts the voltage for best performance and ext ...

    Radio Settings
    To access the Radio Settings menu: 1. Press the CONFIG button. 2. Turn the TUNE/MENU knob until Radio Settings displays. Press the TUNE/MENU knob to display other options within that feature. Aud ...

    Exterior Lamps
    The exterior lamps control is located on the instrument panel to the left of the steering wheel. It controls the following systems: • Headlamps • Taillamps • Parking Lamps • Licen ...