GMC 2013 Sierra Owner's Manual page 234

7-34 Infotainment System
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 (DVD/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 will display
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 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 in this section, or Audio/
Video (A/V) Jacks under Rear Seat
Entertainment (RSE) System on
page 7 38 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.
See Playing an MP3 in CD Player
on page 7 17 or CD/DVD Player on
page 7 23 for information about how
to connect and control a USB
storage device or an iPod.
USB Support
The USB connector is located on
the instrument panel or in the center
console, and uses the USB 2.0
standard.
I n f o r ma t i o n P r o v i d e d b y :
USB-Supported Devices
USB flash drive
Portable USB hard drive
Fifth generation or later iPod
®
iPod nano
®
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
®
operation. iPod firmware can be
updated using the latest iTunes
application. See www.apple.com/
itunes.
For help with identifying the iPod, go
to www.apple.com/support.
Radios that have a USB port can
play .mp3 and .wma files that are
stored on a USB storage device as
well as AAC files that are stored on
an iPod.
®
for proper
®