See also:

Jump Starting
For more information about the vehicle battery, see Battery on page 10‑31. If the vehicle is a hybrid, see the hybrid supplement for more information. If the vehicle's battery (or batteries) h ...

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When t ...

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 ...