GMC Sierra Limited 1500 2019 Owner's Manual page 170

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:
Confidence Threshold
Prompt Length
Audio Feedback Speed
Display What Can I Say? Tips
Confidence Threshold
This feature allows the adjustment
of the sensitivity of the speech
recognition system.
Select Confirm More or
Confirm Less.
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 What Can I Say? Tips
This feature gives voice
command tips.
Select Off or On.
Display
Select and the following may
display:
Calibrate Touchscreen
Turn Display Off
Calibrate Touchscreen
Select to calibrate the touchscreen,
then follow the prompts.
Turn Display Off
Select to turn the display off. Touch
anywhere on the infotainment
display or press any infotainment
controls on the center stack to turn
the display on.
Instruments and Controls
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 0 285.
Rear Park Assist Symbols
Select to turn Off or On. See
Assistance Systems for Parking or
Backing 0 285.
Return to Factory Settings
Select and the following may
display:
Restore Vehicle Settings
Clear All Private Data
Restore Radio Settings
Restore Vehicle Settings
This allows selection of restoring
vehicle settings.
Select Restore or Cancel.
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