OnStar Additional Information
See also:
Heated and Ventilated Front Seats
WARNING
If you cannot feel temperature change or pain to the skin, the seat heater may cause burns even at low temperatures.
To reduce the risk of burns, people with such a condition should use care ...
Global Off
Depending on the infotainment system, the RSE system may have a Global Off feature.
The Global Off feature disables all RSE system features. Press and hold the radio
power button for more than thr ...
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 ...





