GMC 2009 Yukon XL Owner's Manual page 279

BAND: Press to listen to the radio while a CD is
playing. The CD remains inside the radio for future
listening.
For the radio with CD and DVD, press to listen to
the radio while a CD or DVD is playing. The CD or
DVD remains inside the radio for future listening or for
viewing entertainment.
CD/AUX (CD/Auxiliary): Press to play a CD while
listening to the radio. The CD icon and a message
showing the disc and/or track number displays when
a CD is in the player. Press again and the system
automatically searches for an auxiliary input device, such
as a portable audio player. If a portable audio player is
not connected, "No Input Device Found" displays.
DVD/CD AUX (Auxiliary): Press this button to cycle
through DVD, CD, or Auxiliary when listening to
the radio. The DVD/CD text label and a message
showing the track or chapter number displays when a
disc is in either slot. Press this button again and
the system automatically searches for an auxiliary input
device, such as a portable audio player. If a portable
audio player is not connected, "No Aux Input Device"
displays. If a disc is in both the DVD slot and the CD slot
the DVD/CD AUX button cycles between the two
sources and does not indicate "No Aux Input Device".
If a front auxiliary device is connected, the DVD/CD
AUX button cycles through all available options, such as:
DVD slot, CD slot, Front Auxiliary, and Rear Auxiliary
(if available). See "Using the Auxiliary Input Jack(s)"
later in this section, or "Audio/Video (A/V) Jacks" under,
Rear Seat Entertainment (RSE) System on page 3-125
for more information.
If a disc is inserted into top DVD slot, the rear seat
operator can turn on the video screen and use the remote
control to navigate the CD (tracks only) through the
remote control.
Radios with CD and DVD Audio Output
Only one audio source can be heard through the
speakers at a time. An audio source is defined as DVD
slot, CD slot, XM, FM/AM, Front Auxiliary Jack, or Rear
Auxiliary Jack.
O
Press the button to turn the radio on. The radio can be
heard through all of the vehicle speakers.
Front seat passengers can listen to the radio
(AM, FM, or XM) by pressing the BAND button or the
DVD/CD AUX button to select CD slot, DVD slot,
front, or rear auxiliary input (if available).
If a playback device is plugged into the radio's front
auxiliary input jack or the rear auxiliary jack, the front seat
passengers are able to listen to playback from this source
through the vehicle speakers. See "Using the Auxiliary
Input Jack(s)" later in this section, or "Audio/Video (A/V)
Jacks" under, Rear Seat Entertainment (RSE) System on
page 3-125 for more information.
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