Making a Call
Calls can be made using the following commands.
Dial or Call: The dial or call command can be used interchangeably to dial a phone number or a stored name tag.
Digit Dial: This command allows a phone number to be dialed by entering the digits one at a time.
Re-dial: This command is used to dial the last number used on the cell phone.
See also:
Using the Auxiliary Input Jack
Radios with an auxiliary input jack located on the lower right side of the faceplate can connect to an external audio device such as an iPod®, MP3 player, or CD player, for use as another source for ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehic ...
Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance.
However, if a customer wishes to write or e-mail GMC, the letter should be addressed to:
United States
GMC Customer Assistance ...