2008 GMC Envoy Owner's Manual - Page 206

SCAN: Scan the stations within a PTY by performing the following: 1. Press the TYPE button to activate program type select mode. TYPE or P-TYPE and the last selected PTY displays. 2. Turn the TYPE knob or press and release the TYPE button to select a PTY. 3. Once the desired PTY displays, press and hold either SCAN or TYPE arrow for two seconds, and the radio begins scanning the stations in the PTY. 4. Press either SCAN or TYPE arrow to stop scanning. BAND (Alternate Frequency): Alternate frequency lets the radio switch to a stronger station with the same program type. To turn alternate frequency on, press and hold BAND for two seconds. AF ON displays. The radio can switch to stations with a stronger frequency. To turn alternate frequency off, press and hold BAND again for two seconds. AF OFF displays. The radio does not switch to other stations. This function does not apply for XM™ Satellite Radio Service. Finding a Program Type (PTY) Station (RDS and XM™) For the MP3 Radio, select and find a desired PTY by performing the following steps: 1. Turn the P-TYPE knob to select a PTY. 2. Press the SEEK TYPE button to select and go to the PTY's first station. 3. Press the SEEK TYPE button twice to display the PTY and then go to another station. 4. Press the P-TYPE knob to exit program type select mode. IF PTY times out and no longer displays, go back to Step 1. If both PTY and TRAF are on, the radio searches for stations with the selected PTY and traffic announcements. If the radio cannot find the desired program type, NONE displays and the radio returns to the last station. 3-72