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:

    Information for customers in California
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    Emergency disarming
    If you cannot disarm the system using the transmitter (i.e. the transmitter is lost, broken or the transmitter battery is too weak), you can disarm the system without using the transmitter. The s ...

    Passenger compartment
    CAUTION: Never use a fuse of a higher or lower amperage rating than specified on the fuse box cover. This could damage the electrical system or cause a fire. If any electrical equipment does not ...