GMC 2018 Acadia Denali Owner's Manual page 146

To enable valet mode:
1. Enter a four-digit code on the
keypad.
2. Select Enter to go to the
confirmation screen.
3. Re-enter the four-digit code.
Touch Lock or Unlock to lock or
unlock the system. Touch Back to
go back to the previous menu.
Radio
Touch and the following may
display:
Manage Favorites
Number of Favorites Shown
Audible Touch Feedback
Text Scroll
Tone Settings
Auto Volume
Bose Audio Pilot
Maximum Startup Volume
Manage Favorites
This allows favorites to be edited.
See Manage Favorites in
Settings under Radio in the
infotainment manual.
Number of Favorites Shown
Touch to set the number of favorites
to display.
Select the desired number or select
Auto and the infotainment system
will automatically adjust the number
of favorites shown.
Audible Touch Feedback
This allows Audible Touch
Feedback to be turned on or off.
Select Off or On.
Text Scroll
Select to see text scroll on the
screen.
Select Off or On.
Tone Settings
Select to adjust the radio tone. See
Operation 0 166 or Tone Settings
under AM-FM Radio in the
infotainment manual.
Instruments and Controls
Auto Volume
This feature adjusts the volume
based on vehicle speed and
ambient noise.
Select Off, Low, Medium-Low,
Medium, Medium-High, or High.
Bose Audio Pilot
This feature adjusts the volume
based on the noise in the vehicle.
See Bose AudioPilot Noise
Compensation Technology under
Infotainment System Settings in
the infotainment manual.
Select Off or On.
Maximum Startup Volume
This feature sets the maximum
startup volume. If the vehicle is
started and the volume is greater
than this level, the volume is
adjusted to this level.
To set the maximum startup volume,
touch + or to increase or
decrease.
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