See also:

Tilt Wheel
The tilt lever is located on the left side of the steering column. To adjust the lever: 1. Hold the wheel and pull the lever toward you. 2. Move the steering wheel up or down into a comfort ...

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 ...

Place a Call Using a Stored Number
1. Push . System responds: “OnStar ready.”. 2. Say “Call <name tag>.” System responds: “OK, calling <name tag>.” ...