OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar hands-free calling. See Audio Steering Wheel Controls for more information.
On some vehicles, the mute button can be used to dial numbers into voice mail systems, or to dial phone extensions. See the OnStar Owner’s Guide for more information.
See also:
Express-Down Window
This feature is on the front windows. Press the switch to
the second position to activate the express-down feature.
To stop the window as it is lowering, press down briefly
on the switch again. ...
Customer Assistance for TextTelephone (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 ...
Remote Vehicle Start
Your vehicle may have a remote starting feature.
This feature allows you to start the engine from outside
the vehicle. It may also start the vehicle’s heating or air
conditioning systems, rear ...