See also:

English and Metric Unit Conversion
To change the display units between English and metric units, see Driver Information Center (DIC) . ...

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 comm ...

Dome Lamps
The interior lamps control located in the overhead console controls both the front and rear interior lamps. To operate: (Off): Turns the lamps off. (Door): Turns the lamps on when any ...