Additional Required Services
The following services should be performed at the first maintenance service (I or II) after the indicated miles (kilometers) shown for each item.
Additional Required Services

Additional Required Services (cont’d)

See also:
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 ...
Towing with a Stability Control
System
When towing, the sound of the
stability control system might be
heard. The system is reacting to the
vehicle movement caused by the
trailer, which mainly occurs during
cornering. This is nor ...
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 ...
