2006 Hummer H3 Owner's Manual - Page 185

Finding a Category (CAT) Station To select and find a desired category perform the following: 1. Press the CAT button to activate program type select mode. A category will appear on the display. 2. Press the CAT button to select a category. 3. Once the desired category is displayed, press either SEEK arrow to select and to take you to the categories first station. 4. To go to another station within that category and the category is displayed, press the CAT button once. If the category is not displayed, press the CAT button twice to display the category and then to go to another station. 5. Press CAT to exit program type select mode. If CAT times out and is no longer on the display, go back to Step 1. 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. BAND (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 two seconds. AF ON will appear on the display. The radio may switch to stations with a stronger frequency. To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF will appear on the display. The radio will not switch to other stations. This function does not apply for XM™ Satellite Radio Service. Radio Messages CAL ERR (Calibration Error): The audio system has been calibrated for your vehicle from the factory. If CAL ERR appears on the display it means that the radio has not been configured properly for your vehicle and it must be returned to your GM dealer for service. LOC (Locked): This message is displayed when the THEFTLOCK® system has locked up. Take your vehicle to your GM dealer for service. If any error occurs repeatedly or if an error cannot be corrected, contact your GM dealer. 3-67