GMC Sierra Instruction Manual page 168

Discoverable
This allows the system to find a
device.
Select Off or On.
Device Management
Select to connect to a different
phone source, disconnect a phone,
or delete a phone.
Ringtones
Press to change the ring tone for
the specific phone. The phone does
not need to be connected to change
the ring tones.
Voice Mail Numbers
This feature displays the voice mail
number for all connected phones.
To change the voice mail number,
select EDIT or press the EDIT
button. Type a new number, then
select SAVE or press the SAVE
button.
Text Message Alerts
This allows the feature to be turned
on or off.
Select Off or On.
Apple CarPlay
Select and the following may
display:
Apple CarPlay
Manage Apple CarPlay Devices
Apple CarPlay
This feature allows Apple devices to
be connected to the infotainment
system through a USB port.
Select Off or On.
Manage Apple CarPlay Devices
Select to manage Apple devices.
Apple CarPlay must be on for this
feature to be accessed.
Android Auto
Select and the following may
display:
Android Auto
Manage Android Auto Devices
Android Auto
This feature allows Android devices
to be connected to the infotainment
system through a USB port.
I n f o r ma t i o n P r o v i d e d b y :
Instruments and Controls
Select Off or On.
Manage Android Auto Devices
Select to manage Android devices.
Android Auto must be on for this
feature to be accessed.
USB Auto Launch
This allows Android and Apple
CarPlay devices to automatically
connect when plugged into the
USB port.
Select Off or On.
Voice
Select and the following may
display:
Prompt Length
Audio Feedback Speed
Prompt Length
This feature adjusts the voice
prompt length.
Select Short or Long.
Audio Feedback Speed
This feature adjusts the audio
feedback speed.
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