2003 GMC Yukon Owner's Manual - Page 243

AUTO EQ (Automatic Equalization): Press this button to choose bass and treble equalization settings designed for country/western, jazz, talk, pop, rock and classical stations. Selecting CUSTOM or changing bass or treble, returns the EQ to the manual bass and treble settings. The radio will save separate AUTO EQ settings for each preset and source. If you radio is equipped with the Bose audio system, your equalization settings are either CUSTOM or TALK. To adjust all tone and speaker controls to the middle position, push and hold the AUDIO knob when no tone or speaker control is displayed. The radio will produce one beep and display ALL with the level display in the middle position. Finding a PTY Station (RDS and XM™) To select and find a desired PTY perform the following: 1. Turn the P-TYPE LIST knob. TYPE and a PTY will appear on the display. 2. Select a category by turning the P-TYPE LIST knob. 3. Once the desired category is displayed, press the SEEK TYPE button or one of the SEEK arrows to take you to the category's first station. 4. If you want to go to another station within that category and the category is displayed, press the SEEK TYPE button once. If the category is not displayed, press the SEEK TYPE button twice to display the category and then to go to another station. If the radio cannot find the desired program type, NONE will appear on the display and the radio will return to the last station you were listening to. Adjusting the Speakers (Balance/Fade) AUDIO: To adjust the balance between the right and the left speakers, push and release the AUDIO knob until BAL appears on the display. Turn the knob to move the sound toward the right or the left speakers. To adjust the fade between the front and the rear speakers, push and release the AUDIO knob until FADE appears on the display. Turn the knob to move the sound toward the front or the rear speakers. To adjust the balance and fade to the middle position, push the AUDIO knob then push it again and hold it until the radio produces one beep. The balance and fade will be adjusted to the middle position and the display will show the speaker balance. 3-89