Black plate (102,1)Cadillac STS Owner Manual - 2011Activating Program Type (PTY) Stations(RDS and XM™)PTY lets the radio search for stations with specifictypes of music. When this feature is turned on, thePTYs display above the pushbuttons in place of theprogrammed preset stations. Not all stations supportPTYs and the radio may not go to all of the stationswith that music type when pressing the pushbutton.The selectable PTYs are:. CNTRY (Country). CLASS (Classical). EASY. JAZZ. POP. TALKTo turn PTY on or off:1. Press w to enter the main menu.2. Turn w until PROGRAM TYPE MODE displays.3. Press w to select ON or OFF. An X appears inthe box when ON is selected.4. Press F6 to exit the display. To return to theoriginal display, repeatedly press F6 or wait forthe display to time out.AF (Alternate Frequency): Alternate frequency letsthe radio switch to a stronger station with the sameprogram type.This feature does not function with XM radio stations.To turn AF on or off:1. Press w to enter the main menu.2. Turn w until ALTERNATE FREQ. displays.3. Press w to select AF OFF, AF ON, or AF REG.An X appears in the box when ON is selected.4. Press F6 to exit the display. To return to theoriginal display, repeatedly press F6 or wait forthe display to time out.4-102