Chevrolet Aveo 2007 Owner's Manual page 190

The previous volume setting is maintained
whenever the radio is turned on. The volume can
be adjusted by using the volume knob.
Finding a Station
AM/AUX: Press this button to play an AM station
while a portable audio device is playing. Press
this button again and the system will begin playing
audio from the connected portable audio player.
If a portable audio player is not connected,
"no input device found" will be displayed.
FM: Press this button to switch between FM1 or
FM2. The display will show the selection.
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SEEK: Press the up or down SEEK arrow
to go to the next or to the previous station and
stay there.
The radio will only seek stations with a strong
signal that are in the selected band.
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TUNE: Press the up or down TUNE arrow
to go to the next or to the previous radio station.
SCAN: Push and release this button to scan radio
stations. The radio will go to a station, play for a
few seconds, then go on to the next station.
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Push this button again to stop scanning.
The radio will only scan stations with a strong
signal that are in the selected band.
Setting Preset Stations
Up to 36 stations (six FM1, six FM2, six FM-A and
six AM1, six AM2, six AM-A), can be programmed
on the six numbered pushbuttons, by performing
the following steps:
1. Turn the radio on.
2. Press AM/AUX to select AM1, AM2, or AM-A.
Press FM to select FM1, FM2 or FM-A.
3. Tune in the desired station.
4. Press and hold one of the six numbered
pushbuttons for longer than two seconds.
The channel number (CH#1 through CH#6)
will flash on the display when the station
has been set. Whenever that numbered preset
button is pressed, the station that was set
will return.
5. Repeat the first four steps for each preset
button.