Buick LaCrosse: Adjusting the Treble, Midrange, 
and Bass - Operation - Introduction - Infotainment System - Buick LaCrosse Owners ManualBuick LaCrosse: Adjusting the Treble, Midrange, and Bass

1. Press the TONE button.

1. Press the TONE button.

2. Select Treble, Midrange, or Bass.

3. Select the value.

Press the back to the Tone Settings menu. BACK button to go back to the Tone Settings menu.

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    1. Press the TONE button. 2. Select Fader or Balance. 3. Select the value. Press the BACK button to go back to the Tone Settings menu. ...

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