See also:

Automatic Headlamp System
When the exterior lamp control is set to AUTO and it is dark enough outside, the headlamps come on automatically. There is a light sensor located on top of the instrument panel. Do not co ...

Online Owner Center
Online Owner Center (U.S.) — www.gmownercenter.com/buick Information and services customized for your specific vehicle — all in one convenient place. • Digital owner manual, warranty infor ...

Compass Calibration
Press and hold the on/off button to activate the compass calibration mode. CAL will be displayed in the compass window on the mirror. The compass can be calibrated by driving the vehicle in circ ...