
Your
iPod
through GM Car Stereo System!
PA15-GM is applicable to the following GM vehicles: (Note: Radio must have AUX or SOURCE button).
iPod, iPod
nano,
iPod
classic, iTouch and iPhone are trade marks of Apple Computer, Inc.
XM is a trade mark of XM Satellite Radio Inc.
GM is a registered trade mark of General Motors Corporation.
LTI Enterprises, Inc. 167 Mason Way, Unit A2. City of Industry, CA91746
www.usaspec.com or www.usaspec.net Tel (626) 336-3836
PA15-GMPA15-GM
Email: techsupport@usaspec.com
Connect directly iPod’s audio output to GM vehicle audio system for optimal sound
quality playback.
Displays text information on XM ready radios.
Offers three ways to access your music on iPod: Direct Mode, Folder Mode and Playlist Mode.
Retains XM receiver, CD changer, CD player, and DVD system.
Charges iPod battery while playing, charging automatically ends. half hour after iPod is paused.
Connects Satellite radio, DVD player or other audio sources through AUX Audio Input jack.
This interface connects an iPod, iPhone, or iTouch directly to your GM audio system
with following benefits:
If a CORVETT has factory installed XM receiver, use model PA15-VETTE.
If a EQUINOX or UPLANDER does not have a factory installed XM receiver,
a separately sold cable adaptor is required. Contact @626-3363836
CADILLAC GMC
HUMMER
PONTIAC
CHEVY
CHEVY TRUCKS
03 - 06
03 - 06
00 - 05
00 - 05
IMPALA
05 - 10CORVETTE
MONTE CARLO
04 - 07
ESCALADE
EXT
CTS / RSX
05 - 07
03 - 06
05 - 07
04 - 06
03 - 07
07
H1
H2 / SUT
H3
03 - 06
07
05GRAND PRIX
03 - 06
CANYON
DENALI
ENVOY
SIERRA
SIERRA CLASSIC
YUKON
03 - 06AVALANCHE
03 - 07COLORADO
03 - 06EQUINOX
(Equiped W/XM Tuner only)
03 - 06SILVERADO
07SILVERADO CLASSIC
03 - 07SUBURBAN
03 - 07TAHOE
04 - 07TRAIL BLAZER
05 - 06UPLANDER
04VENTURE
MAKE MODEL YEAR MAKE MODEL YEAR
factors, can not 100% guarantee every published application. These factors include variables such as,
anomalies within a factory radio, factory radio heretofore unknown to and partail model year changes.
verified the published radio and vehicle application to the best of our ability. Due to uncontrollble
8 4
2 4 2 5 4 0 9 0 2 2

20100520
Thank you for purchasing a product. This manual describes the functions
and operation of PA15-GM iPod interface to GM radios. Please read this manual
before installing the interface adaptor in your vehicle.
!!!!!IMPORTANT!!!!!
It is strongly recommended that the adaptor is installed in an easily accessible
location. DO NOT permanently place deep behind radio. You may need to
access for future upgrades, resets, dip switch setting, etc...
Eject ALL CDs from the built-in CD player or CD changer before removing the
radio from the dash board.
distributes products through authorized dealers so customers will
receive proper services and information from the dealers. reserve
the right to offer technical or warranty service only on products purchased
through authorized accounts.
SAFETY NOTE: You should always give full attention to driving. Do NOT operate
the feature or function of PA15-VETTE in such a way that distracts you while driving.
KEEP MANUAL in vehicle. Place it with the owner’s manual for the car. You may
need to refer to it or if vehicle is sold, the next owner can enjoy it and know how to use it .
Section 1. ABOUT INTERFACE PA15-GM
1-1 Introduction
a) This interface connects an iPod, iTouch or iPhone directly to your GM car audio
system for optimal playback sound quality.
b) This interface allows iPod to co-exist with GM navigation system, CD changer,
XM radio receiver and DVD system, and controls iPod via both car radio and
steering wheel controls.
c) PA15-GM’s on board software translates commands from your CD changer
controls or XM Band controls into commands that the iPod understands.
i) You can either use the XM controls or CD changer controls on radio to work
with iPod, iTouch or iPhone. Use XM control if text display is desired. Radio
must have a BAND button to use XM control.
When using XM control, XM1 is for iPod and XM2 is retained for
ii)
broadcast reception.
iii) If radio has a built-in CD changer, you must configure PA15-GM to radio’s
XM control with the DIP switches and radio must have BAND button.
d) This interface charges iPod while it is playing and charging stops automatically
half hour after iPod is paused.
1-2 Text Display of Song Information
a) Artist name and song title can be displayed on radio by configuring PA15-GM
to work with radio’s XM band.
b) Only DISC number and track number are displayed on radio (Disc number =
Playlist number) when using PA15-GM with radio’s CD/AUX or DISC button.

1-3 Package Content
PA15-GM contains one PA15-GM interface adaptor and one each of following
cables: CAS-GM24, CAS-GM2ext5, CAS-GM2x and CB-PA105.
1-4 Compatibility
Future iPod and iTune software updates may affect the features and functions
described in this owner’s manual and www.usaspec.com web site.
1-5 Applications
(4)

Note (1) To use XM control, radio must have a BAND button
and is XM ready.
Note (2) Use interface model PA15-VETTE .
Note (3) If the car does not have XM receiver, order CAS-GNOX2
cable from (626-336-3836)
Note (4) If a CORVETT has factory installed XM receiver, use
model PA15-VETTE.
verified the published radio and vehicle application to the best of our ability.
Due to uncontrollable factors, can not 100% guarantee every published
application. These factors include variables such as, anomalies within a factory radio,
factory radio heretofore unknown to and partial model year changes.
Section 2. Folder Mode, Direct Mode, Playlist Mode
and AUX Option
PA15-GM provides two modes to control your iPod through car radio, namely
(Playlist Mode + Direct Mode) and (Folder Mode and Direct Mode.)
2-1 Direct Mode (control on iPod directly)
Search and select music on iPod just as you would in portable use. Use the track
up/down on radio and steering wheel to control.
When PA15-GM is configured to XM control, a preset button on radio is dedicated
to Direct Mode. See section 3-1 and section 4 of this manual for detail.
When PA15-GM is configured to CD changer control, one of the six DISCs is
dedicated to Direct Mode. See section 3-2 of this manual for detail.
In Direct Mode, screen and keypad on iPod is unlocked and functional. You have
control and access to everything on your iPod in Direct Mode. You also have Track
Up/Down controls from the radio. No text will be displayed on radio in the mode.

Application Tip
Direct Mode allows the playing of streaming music applications such as
Pandora.com and SIRIUS XM Online from your iPhone or iTouch
R
to car stereo.
2-2 Folder Mode (use with Band / XM Ready radios)
Access 4 Folders, namely Playlist, Artist, Songs and Album on iPod from radio.
See section 3-1 (for non-navigation radio) or section 4 (for navigation radio) of
this manual for more information.
Folder Mode is applicable only when PA15-GM is configured to use radio’s XM
control. Hence, radio must have BAND button and is also XM ready.
iPod FOLDERs are accessed with radio’s preset buttons.
2-3 Playlist Mode (use with Non-Band / XM Ready radios)
Operates and controls the iPod like it is a CD changer. This mode allows you to
access Playlists and Songs on iPod from radio. iPod screen always displays “ OK to
disconnect” or “Attached to accessory” and iPod’s keypad is locked and not
functional. See section 3-2 of this manual for more information.
Radio does not display artist name and song title in Playlist Mode.
Playlist mode is for radio that does not have a BAND button but can control
an external CD changer.
Use the DISC or CD/AUX button on radio to access iPod.
If your iPod has more than 4 Playlists, see Playlist Naming in Section 6 of
this manual.
2-4 AUX Input Option
In addition to the iPod, PA15-GM also can connect a second audio source to car radio.
Connect the second audio source to the RCA jack labeled
AUX INPUT
. AUX input
is enabled by setting the DIP switch #1 to ON position at the side of the interface
adaptor. DIP switch #1 is only for the AUX INPUT and it is independent of other DIP
switches on the PA15-GM adaptor.
DIP Switch # 1 Setting:
DIP # 1 = ON
DIP # 1 = OFF
RCA AUX Input is enabled
RCA AUX Input is disabled
Section 3. Regular or non-navigation Radio’s Mode
Setting and Function Control
3-1 Folder Mode + Direct Mode Configuration
(Note: this configuration supports text display but is applicable only to radio if it has
a BAND button and also it is XM ready.)