2000 Pontiac Montana Owner's Manual - Page 219
2000 Pontiac Montana Manual
Page 219 highlights
Setting the Tone BASS: Press and release AUDIO repeatedly until BAS appears on the display. Then press and hold the up arrow to increase bass. "B" and a positive number will appear on the display. Press and hold the down arrow to decrease bass. B and a negative number will appear on the display. B and a zero will appear on the display when the bass level is set to the middle position. Release the up or down arrow when you find the bass level you want or when the maximum or minimum level is reached. TREBLE: Press and release AUDIO until TRE appears on the display. Then press and hold the up arrow to increase treble. "T" and a positive number will appear on the display. Press and hold the down arrow to decrease treble. T and a negative number will appear on the display. T and a zero will appear on the display when the treble level is set to the middle position. Release the up or down arrow when you find the treble level you want or when the maximum or minimum level is reached. If a station is weak or noisy, you may want to decrease the treble. To set BASS or TREBLE to the middle position, select the desired tone control. Then press and hold AUDIO for more than two seconds until you hear a beep. B and a zero or T and a zero will appear on the display. To set all of the tone controls and speaker controls to the middle position, end out of audio mode. Then press and hold AUDIO for more than two seconds until you hear a beep. CEN will appear on the display. Adjusting the Speakers BALANCE: Press and release AUDIO until BAL appears on the display. Then press and hold the up arrow to move the sound to the right speakers or the down arrow to move the sound to the left speakers. "R" and a number will appear on the display when the sound is balanced toward the right speakers. "L" and a number will appear on the display when the sound is balanced toward the left speakers. L and a zero will appear on the display when the the sound is balanced between the speakers. Release the up or down arrow when you find the speaker balance you want or when the maximum or minimum level is reached. 3-11