Buick 2012 Regal Owner's Manual page 209

Declining a Call
Turn the Multifunction knob to
Decline and press the
Multifunction knob to decline
the call.
Switching Between Calls
(Call Waiting Calls Only)
To switch between calls:
1. Turn or press the
Multifunction knob.
2. Select Switch Call from
the menu.
Conference Calling
Conference calling and three way
calling must be supported on the
Bluetooth phone and enabled by the
wireless service carrier to work.
To start a conference while in a
current call:
1. Turn or press the
Multifunction knob.
2. Select Enter Number.
3. Enter the character sequence
then select Call. See Entering a
Character Sequence in
Operation on page 7 11 for more
information.
4. After the call has been placed,
turn or press the Multifunction
knob and choose Merge Calls.
5. To add more callers to the
conference call, repeat Steps 1
through 4. The number of callers
that can be added is limited by
your wireless service carrier.
Ending a Call
Turn or press the Multifunction knob
and select Hang Up.
Infotainment System
Muting a Call
To Mute a Call
Turn or press the Multifunction knob
and select Mute Call.
To Cancel Mute
Turn or press the Multifunction knob
and select Mute Call.
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 Multifunction
knob and select Enter Number.
2. Enter the character sequence.
See Entering a Character
Sequence in Operation on
page 7 11 for more information.
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