2002 GMC Envoy Owner's Manual - Page 209

Setting Preset Stations The six numbered pushbuttons let you return to your favorite stations. You can set up to 18 stations (six AM, six FM1 and six FM2) by performing the following steps: 1. Turn the radio on. 2. Press AM FM to select the band. 3. Tune in the desired station. 4. Press AUTO EQ to select the equalization that best suits the type of station selected. 5. Press and hold one of the six numbered pushbuttons until you hear a beep. Whenever you press that numbered pushbutton, the station you set will return and the equalization that you selected will also be automatically selected for that pushbutton. 6. Repeat the steps for each pushbutton. Setting the Tone (Bass/Treble) AUDIO: To set the bass, press the AUDIO control until BASS appears on the display. Turn the control to increase or decrease bass. When you use this control, the radio's tone setting will switch to custom. To set the bass to the middle position, select BASS and press and hold the AUDIO control. The radio will produce one beep and set the display level to zero. To set all tone and speaker controls to the middle position, press and hold the AUDIO control when no tone or speaker control is active. The radio will produce one beep and CENTERED will appear on the display. To set the midrange, press the AUDIO control until MID appears on the display. Turn the control to increase or decrease midrange. When you use this control, the radio's tone setting will switch to custom. To set the midrange to the middle position, select MID and press and hold the AUDIO control. The radio will produce one beep and set the display level to zero. 3-35