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 ...

Brake Adjustment
Every time the brakes are applied, with or without the vehicle moving, the brakes adjust for wear. ...

Playing the Radio
(Power/Volume): Press to turn the system on and off. Turn clockwise or counterclockwise to increase or decrease the volume. The radio goes to the previous volume setting when the radio is t ...