2007 GMC Envoy Owner's Manual - Page 240

For RDS, press the INFO knob to change what appears on the display while using RDS. The display options are station name, RDS station frequency, PTY (program type), and the name of the program (if available). For XM™ (if equipped), press the INFO knob while in XM™ mode to retrieve four different categories of information related to the current song or channel: Artist, Song Title, Category or PTY, Channel Number/Channel Name. To change the default on the display, press the INFO knob until you see the desired display, then press and hold the knob until a beep sounds. The selected display becomes the default. AUTO VOL (Automatic Volume): With automatic volume, the audio system adjusts automatically to make up for road and wind noise as you drive by increasing the volume as vehicle speed increases. Set the volume at the desired level. Press this button to select LOW, MEDIUM, or HIGH. AVOL displays. Each higher setting provides more volume compensation at faster vehicle speeds. To turn automatic volume off, press this button until AVOL OFF displays. 240 Finding a Station BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display shows the selection. TUNE: Turn this knob to select radio stations. © SEEK ¨: Press either the SEEK or the TYPE arrows to go to the next or to the previous station and stay there. The radio only seeks stations with a strong signal that are in the selected band. © SCAN ¨: Press and hold either the SCAN or the TYPE arrows for two seconds until SCAN displays and a beep sounds. The radio goes to a station, plays for a few seconds, then goes to the next station. Press either the SCAN or the TYPE arrows again to stop scanning. To scan preset stations, press and hold either the SCAN or the TYPE arrows for more than four seconds. PSCN displays and a double beep sounds. The radio goes to a preset station, plays for a few seconds, then goes to the next preset station. Press either the SCAN or the TYPE arrows again to stop scanning presets. The radio only scans stations with a strong signal that are in the selected band.