See also:

Automatic Operation
AUTO (Automatic Fan): When AUTO is selected on the fan control, the system automatically adjusts the fan speed. If the OnStar® system is activated when this position is selected, the fan speed ...

The Inside
Buick sells only three models now, and the Lucerne falls in the middle in size, price and interior quality. Of the three large crossover models GM has sold over the past couple years, the Buick En ...

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 ...