2012 Buick LaCrosse Owner Manual - Page 196

7-16 Infotainment System Adjusting the Fader and Balance Adjusting the EQ (Equalizer) For vehicles with an equalizer: 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 button to go back to the Tone Settings menu. 2. Select Fader or Balance. 3. Select the value. Press the / BACK button to go back to the Tone Settings menu. 1. Press the TONE button. 2. Select EQ. 3. Select the setting. Press the / BACK button to go back to the Tone Settings menu.