GMC Yukon XL 2013 Owner's Manual page 241

(Seek): When listening to FM,
AM, or XM (if equipped), press
the left or right seek arrow to go
to the previous or to the next station
or channel and stay there. This
function is inactive, with some
radios, if the front seat passengers
are listening to the radio.
Press and hold the left
seek arrow until the display flashes,
to tune to an individual station. The
display stops flashing after the
buttons have not been pushed for
more than two seconds. This
function is inactive, with some
radios, if the front seat passengers
are listening to the radio.
While listening to a disc, press the
left seek arrow to go back to the
start of the current track or chapter
(if more than ten seconds have
played). Press the right
arrow to go to the next track or
chapter on the disc. This function is
inactive, with some radios, if the
front seat passengers are listening
to the disc.
When a DVD video menu is being
displayed, press the left
seek arrow to perform a cursor up
or down on the menu. Hold the left
or right
cursor left or right on the menu.
or right
PROG (Program): Press this
button to go to the next preset radio
station or channel set on the main
radio. This function is inactive, with
some radios, if the front seat
passengers are listening to the
radio.
When a CD or DVD audio disc is
playing, press this button to go to
the beginning of the CD or DVD
audio. This function is inactive, with
some radios, if the front seat
passengers are listening to the disc.
seek
or right
arrow to perform a
Infotainment System
When a disc is playing in the CD or
DVD changer, press this button to
select the next disc, if multiple discs
are loaded. This function is inactive,
with some radios, if the front seat
passengers are listening to the disc.
When a DVD video menu is being
displayed, press the PROG button
to perform the menu function, enter.
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