GMC 2016 Sierra Owner's Manual page 228

Receiving a Call
When an incoming call is received,
the audio system mutes and a ring
tone is heard in the vehicle.
Press to answer the call.
Press to ignore a call.
Call Waiting
Call waiting must be supported on
the cell phone and enabled by the
wireless service carrier.
Press to answer an incoming
call when another call is active.
The original call is placed
on hold.
Press again to return to the
original call.
To ignore the incoming call, no
action is required.
Press to disconnect the
current call and switch to the call
on hold.
Three-Way Calling
Three-way calling must be
supported on the cell phone and
enabled by the wireless service
carrier.
1. While on a call, press
2. Say Three-way call.
3. Use the Dial or Call
command to dial the number of
the third party to be called.
4. Once the call is connected,
press
to link all callers
together.
Ending a Call
Press to end a call.
Transferring a Call
Audio can be transferred between
the Bluetooth system and the cell
phone.
The cell phone must be paired and
connected with the Bluetooth
system before a call can be
transferred. The connection process
can take up to two minutes after the
ignition is turned to ON/RUN.
Infotainment System
To Transfer Audio from the
Bluetooth System to a Cell Phone
During a call with the audio in the
vehicle:
1. Press
.
2. Say Transfer Call.
To Transfer Audio to the Bluetooth
System from a Cell Phone
During a call with the audio on the
cell phone, press
transfers to the vehicle. If the audio
does not transfer to the vehicle, use
the audio transfer feature on the cell
phone. See your cell phone
manufacturer's user guide for more
information.
Voice Pass-Thru
Voice pass-thru allows access to the
voice recognition commands on the
cell phone. See your cell phone
manufacturer's user guide to see if
the cell phone supports this feature.
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