2002 GMC Sonoma Owner's Manual - Page 181

Finding a Station AM FM: Press this button to switch between AM, FM1 and FM2. The display shows your selection. TUNE: Turn this knob to choose radio stations. SEEK : Press the right or left arrow to seek to the next or previous station and stay there. The radio will seek to stations with a strong signal only. The sound will mute while seeking. PSCAN (Preset Scan): Press and hold one of the arrows for more than two seconds and the radio will produce one beep. The radio will scan to the first preset station stored on your pushbuttons, play for a few seconds and flash the station frequency, then go on to the next preset station. Press one of the arrows or one of the pushbuttons again to stop scanning. SCAN will be displayed whenever the tuner is in the preset scan mode. The channel number (P1 through P6) will appear with the frequency. In FM mode, this function will scan through the current band such as FM1 or FM2. The radio will scan preset stations with a strong signal only. The sound will mute while scanning. 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 AM, FM1 or FM2. 3. Tune in the desired station. 4. Press AUTO TONE to choose the bass and treble equalization that best suits the type of station you are listening to. 5. Press and hold one of the six numbered pushbuttons. The radio will produce one beep. Whenever you press that numbered pushbutton, the station you set will return and the bass and treble equalization that you selected will also be automatically selected for that pushbutton. 6. Repeat the steps for each pushbutton. 3-27