Dual Tone Multi-Frequency (DTMF) Tones

The in-vehicle Bluetooth system can send numbers and numbers stored as name tags during a call. This is used when calling a menu driven phone system.

Account numbers can be programmed into the phonebook for retrieval during menu driven calls.

    See also:

    Fog Lamps
    Use the fog lamps for better vision in foggy or misty conditions. The ignition must be in RUN for the fog lamps to work. The fog lamp button is located on the instrument panel to the right of ...

    Erasing Speed Memory
    The cruise control set speed memory is erased by turning off the cruise control or the ignition. ...

    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 ...