Buick Lucerne Owners Manual

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Controls
The infotainment system is operated by using the pushbuttons, multifunction knobs, menus shown on the display, and steering wheel controls, if equipped. ...

Setting the Tone (Bass/Midrange/Treble)
BASS/MID/TREB (Bass, Midrange, or Treble): The radio may display some or all tones, such as BASS, MID, and TREB. To adjust the tone settings, press the knob until the tone control tabs displa ...

Safety
In Insurance Institute for Highway Safety crash tests, the Lucerne rates Good, the best possible score, in the frontal-offset test and Acceptable in the side impact. Acceptable is, well, acceptabl ...