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 ...

Adjusting the Treble, Midrange, and Bass
1. Press the TONE button. 2. Select Treble, Midrange, or Bass. 3. Select the value. Press the BACK button to go back to the Tone Settings menu. ...

Customer Assistance Offices
Buick encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail Buick, the letter should be addressed to: United States Buick Customer Assis ...