Manual Mode

See also:

Buying New Tires
GM has developed and matched specific tires for your vehicle. The original equipment tires installed on your vehicle, when it was new, were designed to meet General Motors Tire Performance Cri ...

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 ...

Headlamps
The exterior lamps knob is located on your instrument panel to the left of the steering wheel. (Off): Turn the knob to this symbol and release it to turn off the Daytime Running Lamps (DRL ...