See also:

Owner Checks and Services
At Each Fuel Stop • Check the engine oil level. See Engine Oil on page 10‑8. Once a Month • Check the tire inflation pressures. See Tire Pressure on page 10‑44. • Inspect the ti ...

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 ...

Radio Messages
Calibration Error: The audio system has been calibrated for the vehicle from the factory. If Calibration Error displays, it means that the radio has not been configured properly for the vehicle and i ...