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.

    See also:

    Compass Zone
    Your dealer/retailer will set the correct zone for your location. If the zone is not set to your location or you drive out of the area, the variance needs to be changed to the appropriate zone. ...

    Climate and Air Quality
    If equipped, select the Climate and Air Quality menu and the following may be displayed: Auto Fan Speed Remote Start Auto Heat Seats Auto Defog Auto Rear Defog Auto Fan Speed This will ...

    Making a Call
    Calls can be made using the following commands: ► Dial ► Digit Dial ► Call ► Re-dial ...