2007 Chevrolet Uplander Owner's Manual - Page 291

SCAN: Scan the stations within a category by performing the following: 1. Press the CAT button. The last selected category appears on the display. 2. Turn the tune knob to select the category. 3. Once the desired category is displayed, press and hold either SCAN arrow until you hear a beep and SCAN CATEGORY appears on the display. The radio begins scanning the stations in the category. 4. Press either SCAN arrow to stop scanning. If both category and TRAF (traffic) are on, the radio scans for stations with the selected category and traffic announcements. BAND (AF - Alternate Frequency): Alternate frequency allows the radio to switch to a stronger station with the same category. To turn alternate frequency on, press and hold BAND for four seconds. AF ON appears on the display. The radio may switch to stations with a stronger frequency. To turn alternate frequency off, press and hold BAND again for four seconds. AF OFF appears on the display. The radio does not switch to other stations. This function does not apply for XM™ Satellite Radio Service. 291