Engine Oil Additives/Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the dexos specification and displaying the dexos certification mark are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Bluetooth Controls
Use the buttons located on the steering wheel to operate the invehicle Bluetooth system. See Steering Wheel Controls on page 5‑3 for more information.
(Mute/Push To Talk): Press to answer inco ...
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.
...
Making a Call Using Phone Book
For cell phones that support the phone book feature, the Bluetooth system can
use the contacts stored on your cell phone to make calls. See your cell phone manufacturer”s
user guide or contact y ...