GMC Yukon XL 2013 Owner's Manual page 226

7-32 Infotainment System
For optimal sound quality, increase
the portable audio device's volume
to the loudest level.
It is always best to power the
portable audio device through its
own battery while playing.
O
(Power/Volume): Turn clockwise
or counterclockwise to increase or
decrease the volume of the portable
player. Additional volume
adjustments might have to be made
from the portable device if the
volume is not loud or soft enough.
BAND: Press to listen to the radio
when a portable audio device is
playing. The portable audio device
continues playing.
CD/AUX (CD/Auxiliary): Press to
play a CD when a portable audio
device is playing. Press again and
the system begins playing audio
from the connected portable audio
player. If a portable audio player is
not connected, No Input Device
Found displays.
DVD/CD AUX (CD/Auxiliary):
Press to cycle through DVD, CD,
or Auxiliary when listening to the
radio. The DVD/CD text tab and a
message showing track or chapter
number displays when a disc is in
either slot. 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
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 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) in this section,
or Audio/Video (A/V) Jacks under,
Rear Seat Entertainment (RSE)
System on page 7 36 for more
information.
Using the USB Port
Radios with a USB port can control
a USB storage device or an iPod
using the radio buttons and knobs.
USB Support
The USB connector is located on
the instrument panel or in the center
console, and uses the USB 2.0
standard.
USB Supported Devices
USB Flash Drives
Portable USB Hard Drives
Fifth generation or later iPod
iPod nanos
iPod touch
iPod classic
Not all iPods and USB Drives are
compatible with the USB port.
Make sure the iPod has the latest
®
firmware from Apple for proper
operation. iPod firmware can be