GMC 2015 Sierra Owner's Manual page 185

5-52 Instruments and Controls
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. 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 on page 9-57.
Rear Park Assist Symbols
Select to turn Off or On. See
Assistance Systems for Parking or
Backing on page 9-57.
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.
Clear All Private Data
This allows selection to clear all
private information from the vehicle.
Select Delete or Cancel.
Restore Radio Settings
This allows selection to restore
radio settings.
Select Restore or Cancel.
Software Information
Select to view the infotainment
system current software information.