Voice Pass-Thru
Voice pass-thru allows access to the voice recognition commands on the cell phone. See your cell phone manufacturer's user guide to see if the cell phone supports this feature.
To access contacts stored in the cell phone:
1. Press and hold 
for two seconds.
2. Say “Bluetooth.” This command can be skipped.
3. Say “Voice.” The system responds “OK, accessing <phone name>.” The cell phone's normal prompt messages will go through their cycle according to the phone's operating instructions.
See also:
Finding a Category (CAT) Station
To find XM channels in a category:
1. Press the CAT button to display the category tabs. Continue pressing the CAT button until the desired category name displays.
• Radios with CD and DVD can als ...
Power Liftgate
On vehicles with a power liftgate, the vehicle must be in P (Park) to operate.
The taillamps flash when the power liftgate moves.
WARNING
You or others could be injured if caught in the path of th ...
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.
...