GMC 2004 Yukon XL Owner's Manual page 268

Finding a Station
BAND: Press this button to switch between FM1, FM2,
AM, or XM1 or XM2 (if equipped). The display will
show the selection.
TUNE: Turn this knob to select radio stations.
s t
SEEK : Press the right or the left 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.
s t
SCAN : Press and hold either SCAN arrow for
two seconds until SC appears on the display and
you hear a beep. The radio will go to a station, play for
a few seconds, then go on to the next station. Press
either SCAN arrow again to stop scanning.
To scan preset stations, press and hold either SCAN
arrow for more than four seconds. PRESET SCAN will
appear on the display and you will hear a double beep.
The radio will go to a preset station stored on the
pushbuttons, play for a few seconds, then go on to the
next preset station. Press either SCAN arrow again
to stop scanning presets.
The radio will only scan stations with a strong signal
that are in the selected band.
3-110
Setting Preset Stations
Up to 30 stations (six FM1, six FM2, and six AM,
six XM1 and six XM2 (if equipped), can be programed
on the six numbered pushbuttons, by performing the
following steps:
1. Turn the radio on.
2. Press BAND to select FM1, FM2, AM, or XM1
or XM2.
3. Tune in the desired station.
4. Press AUTO EQ to select the equalization.
5. Press and hold one of the six numbered
pushbuttons until you hear a beep. Whenever that
numbered pushbutton is pressed, the station
that was set will return and the equalization that
was selected will be stored for that pushbutton.
6. Repeat the steps for each pushbutton.