GMC 2016 Sierra Owner's Manual page 170

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.
Select Slow, Medium, or Fast.
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.
Select Slow, Medium, or Fast.
Display
Select and the following may
display:
Calibrate Touchscreen
Turn Display Off
Calibrate Touchscreen
Select to calibrate the touchscreen,
then follow the prompts.
Instruments and Controls
Turn Display Off
Select to turn the display off. Press
anywhere on the display area or any
faceplate button to turn the
display on.
Rear Camera
Select and the following may
display:
Guidance Lines
Rear Park Assist Symbols
Guidance Lines
Select to turn Off or On. See
Assistance Systems for Parking or
Backing 0 309.
Rear Park Assist Symbols
Select to turn Off or On. See
Assistance Systems for Parking or
Backing 0 309.
Return to Factory Settings
Select and the following may
display:
Restore Vehicle Settings
Clear All Private Data
Restore Radio Settings
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