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:

    Manual Operation
    (Fan Control): Press the lower button to decrease the fan speed. Pressing the lower button longer turns the fan and cooling off. Press the upper button to increase the fan speed. The selected ...

    Traction Control System (TCS) Warning Light
    For vehicles with a Traction Control System (TCS) and StabiliTrak® warning light, this light comes on briefly when the engine is started. If it does not, have the vehicle serviced by you ...

    Setting the Clock (Radio with CD)
    The clock menu can be only be used with the radio on while in ON/RUN or ACC/ACCESSORY. To set the time: 1. Press the CONFIG button and select Time Settings or press H. 2. Select Set Time. 3. Tu ...