Dual Tone Multi-Frequency (DTMF) Tones

The in—vehicle Bluetooth system can send numbers during a call. This is used when calling a menu—driven phone system.

1. Turn or press the MENU/ SELECT knob and select Enter Number.
2. Enter the character sequence.

See “Entering a Character Sequence” in Operation for more information.

    See also:

    Call Waiting
    Call waiting must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. Accepting a Call Turn the MENU/SELECT knob to “Answer” and press the MENU/ SELECT knob ...

    Ending a Call
    Press to end a call. ...

    OnStar Personal Identification Number (PIN)
    A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advi ...