See also:

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), Buick has TTY equipment available at its Customer Assistance Center. Any TTY user ca ...

General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people. Genuine GM parts have one of these marks: ...

XM Categories (Radio with CD)
XM stations are organized in categories. Removing or Adding Categories 1. Press the CONFIG button. Turn the Menu knob until Radio displays. Press SELECT or press Radio to display the radio ...