See also:

Odometer
Press the trip odometer reset stem until ODOMETER displays. This display shows the distance the vehicle has been driven in either kilometers (km) or miles (mi). ...

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 &# ...

Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...