See also:

Customer Assistance for Text Telephone (TTY) Users
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 can communic ...

Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle. To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gaso ...

Transferring a Call
Audio can be transferred between the Bluetooth system and the cell phone. The cell phone must be paired and connected with the Bluetooth system before a call can be transferred. The connection proc ...