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:

    Compass
    EX-L and all V6 without navigation system ...

    To Play an iPod
    This audio system can select and play the audio files on the iPod with the same controls used for the disc player. To play an iPod, connect it to the USB adapter cable in the console compart ...

    Rear Window Lockout
    Rear Window Lockout This feature prevents the rear passenger windows from operating, except from the driver position. Press o to activate the rear window lockout switch. The LED (A) comes ...