Buick LaCrosse: Dual Tone Multi-Frequency 
(DTMF) Tones - Bluetooth (Infotainment Controls) - Phone - Infotainment System - Buick LaCrosse Owners ManualBuick LaCrosse: 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 the Menu knob to select Enter Number, then press SELECT.

2. Enter the character sequence.

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

    Muting a Call
    To Mute a Call Turn the Menu knob to select Mute Call, then press SELECT. To Cancel Mute Turn the Menu knob to select Mute Call, then press SELECT. ...

    See also:

    Entering the Personalization Menus
    1. Press CONFIG to access the Configuration Settings menu. 2. Turn the Menu knob to highlight Vehicle Settings. 3. Press SELECT to select the Vehicle Settings menu. The following list of menu ...

    Front Seat
    Front Seat To raise or lower the head restraint, press the release button located on the side of the head restraint and pull up or push the head restraint down and release the button. Pull ...

    Mobile communication devices in the vehicle
    Mobile communication devices in the vehicle It is advised that you do not use mobile communication devices, e.g., mobile phones, inside the vehicle without connecting them directly to the exte ...