See also:

Express-Down Window
This feature is on the front windows. Press the switch to the second position to activate the express-down feature. To stop the window as it is lowering, press down briefly on the switch again. ...

Theater Dimming
This feature allows for a three to five second fade out of the courtesy lamps instead of immediate turn off. ...

Overview
Armed with turbocharged horsepower the 2011 Buick Regal, a driver-selectable suspension system and a firm, European-tuned chassis, it delivers a driving experience that rivals the best import spor ...