Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam
Changer): Push the turn signal/lane change lever away from you
and release, to turn the high beams
on. To return to low beams, push
the lever again or pull it toward you
and release.

This indicator light turns on in the instrument panel cluster when the high-beam headlamps are on.
See also:
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 ...
OnStar®
If the vehicle is equipped with an active OnStar system, that system may also
record data in crash or near crash-like situations. The OnStar Terms and Conditions
provides information on data colle ...
Vehicle Personalization
The audio system controls are used to access the personalization menus for customizing vehicle features.
CONFIG (Configuration): Press to access the Configuration Settings Menu.
Knob: Press the cen ...
