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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    Fixed Mast Antenna
    The fixed mast antenna can withstand most car washes without being damaged. If the mast should ever become slightly bent, straighten it out by hand. If the mast is badly bent, replace it. Check ...

    Climate and Air Quality
    Select the Climate and Air Quality menu and the following may be displayed: • Auto Fan Speed • Air Quality Sensor • Auto Heated Seats • Air Conditioning Mode • Remote Start Auto Hea ...

    How to Add Automatic TransmissionFluid
    Refer to the Maintenance Schedule to determine what kind of transmission fluid to use. Add fluid only after checking the transmission fluid while it is hot. A cold check is used only as a referenc ...