GMC Sierra Instruction Manual page 164

Valet Mode (If Equipped)
This will lock the infotainment
system and steering wheel controls.
It may also limit access to vehicle
storage locations (if equipped).
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.
Press LOCK or UNLOCK to lock or
unlock the system. Press Back to go
back to the previous menu.
Radio
Press to display the Radio menu
and the following may display:
Manage Favorites
Number of Favorites Shown
Audible Touch Feedback
Text Scroll
Tone Settings
Auto Volume
Maximum Startup Volume
Audio Cue Volume
Manage Favorites
This allows favorites to be edited.
See Manage Favorites in Radio
Setup under Home Page (Base
Radio) 0 188 or Home Page (Base
Radio with Touchscreen) 0 190 or
Manage Favorites in Settings
under Radio in the infotainment
manual.
Number of Favorites Shown
Press 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.
I n f o r ma t i o n P r o v i d e d b y :
Instruments and Controls
Tone Settings
Select to adjust the radio tone. See
Tone Settings in AM-FM Radio
(Base Radio with Touchscreen)
0 193 or AM-FM Radio (Base
Radio) 0 191.
Auto Volume
This feature adjusts the volume
based on vehicle speed and
ambient noise.
Select Off, Low, Medium-Low,
Medium, Medium-High, or High.
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, turn the
MENU knob or press + or
increase or decrease.
Audio Cue Volume
This feature sets the volume of
audio files played at system startup
and shutdown.
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