Infotainment System Menus
Tone Settings
To access the tone settings, press the Home Page Tone button or the TONE button on the faceplate. Use the tone settings to adjust the following features:
○ Setting the tone
○ Adjusting the speakers
Setting the Tone
To adjust the tone:
○ Treble: Press + or − to change the level.
○ Middle (Midrange): Press + or − to change the level.
○ Bass: Press + or − to change the level.
Adjusting the Speakers
To adjust the speaker balance:
○ Press the left arrow on the bottom for more sound from the left speakers or the right arrow on the bottom for more sound from the right speakers. The middle position balances the sound between the left and right speakers.
To adjust the speaker fade:
○ Press the upper arrow for more sound from the front speakers and the lower arrow for more sound from the rear speakers. The middle position balances the sound between the front and rear speakers.
See also:
Roadside Assistance Program
U.S.: 1-888-881-3302
TTY Users (U.S.): 1-888-889-2438
Canada: 1-800-268-6800
Mexico: 01-800-466-0801
As the owner of a new GMC, you are automatically enrolled in the Roadside Assistance program.
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Sensors
The solar sensor, located in the defrost grille in the middle of the instrument panel, monitors the solar heat. Do not cover the solar sensor or the system will not work properly.
The interior te ...
Object Detection System Messages
FORWARD COLLISION ALERT OFF
If your vehicle has the Forward Collision Alert (FCA) system, this message may
display if the FCA system cannot activate due to a temporary condition. See Forward
Coll ...





