Setting the Tone (Bass/Midrange/Treble) (All Except AM-FM Radio and Radio with CD)

GMC Sierra / GMC Sierra Owners Manuals / Infotainment System / Introduction / Operation / Setting the Tone (Bass/Midrange/Treble) (All Except AM-FM Radio and Radio with CD)

BASS/MID/TREB (Bass, Midrange, or Treble): To adjust the bass, midrange, or treble:

1. Press the 2. Highlight the desired tone control tab by doing one of the following: knob until the tone control tabs display.

2. Highlight the desired tone control tab by doing one of the following:

• Press the • Press the softkey under the desired tab. knob.

• Press the softkey under the desired tab.

3. Adjust the setting by doing one of the following:

• Turn the • Press the SEEK, or SEEK. knob clockwise or counterclockwise.

• Press the • Press the FWD, or REV. SEEK, or • Press the FWD, or REV. SEEK.

• Press the If a station's frequency is weak or if there is static, decrease the treble. FWD, or If a station's frequency is weak or if there is static, decrease the treble. REV.

If a station's frequency is weak or if there is static, decrease the treble.

To quickly adjust bass, midrange, or treble to the middle position, press the softkey positioned under the BASS, MID, or TREB tab for more than two seconds. A beep sounds and the level adjusts to the middle position.

To quickly adjust all tone and speaker controls to the middle position, press the EQ (Equalization): Press this button to choose bass and treble equalization settings designed for different types of music. Selecting MANUAL, or changing bass or treble, returns the EQ to the manual bass and treble settings. knob for more than two seconds until a beep sounds.

EQ (Equalization): Press this button to choose bass and treble equalization settings designed for different types of music. Selecting MANUAL, or changing bass or treble, returns the EQ to the manual bass and treble settings.

Unique EQ settings can be saved for each source.

If the radio has a Bose® audio system, the EQ settings are either MANUAL or TALK.

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