See also:

Online Owner Center
Manage your vehicle (U.S.) at buick.com. Click on "Owners," then "Manage My Buick/Owners Login." Information and services customized for your specific vehicle — all in o ...

Audio System
When using the Bluetooth system, sound comes through the vehicle's front audio system speakers and overrides the audio system. Use the VOL/ knob during a call to change the volume level. Th ...

Horn
Press on the steering wheel pad to sound the horn. ...