USASPEC BT45-GM20 User manual

the newly engineered innovative
Bluetooth®music & phone interface
Product Manual
GM LAN BUS with XM
www.usaspec.com
167 Mason Way, A-2
City of Industry, CA 91746

TABLE OF CONTENTS
Product Overview ...................................................................1
Notice ....................................................................................1
Installation & Operation Precautions......................................1
BT45-GM20 Package Content................................................. 2
Compatibility Information
Bluetooth Device Compatibility .......................................... 2
Device Compatibility for Music Info Display ....................... 2
Vehicle Compatibility & Satellite Radio Receiver Location... 3
Dip Switch Settings................................................................ 4
Installation
Installation Instruction....................................................... 5
Diagram A: Recommended Microphone Locations ............. 6
Diagram B: Cable Connection ............................................. 7
Bluetooth Setup
Bluetooth Device Pairing Instructions ................................ 9
Switching Audio Source: from Bluetooth to XM Source ...... 9
Media Streaming
Music Playback Control .....................................................10
Phone Calls
Answer and End Calls ........................................................ 11
Make Calls ........................................................................ 12
Hands-free to Hand-held ................................................... 12
Enable & Disable Voice prompt............................................. 13
USB Charging Port................................................................ 13
AUX PORT............................................................................14
Limited Warranty ................................................................. 15
10232018

1
The BT45 seamlessly integrates your vehicle’s OEM sound system
with Bluetooth (HFP) devices for hands- free phone calls and media
streaming. You can wirelessly connect your A2DP Bluetooth prole
equipped smartphone or tablet to play stored music or stream the
audio from your favorite media apps such as, iHeart Radio,Pandora,
Spotify, and YouTube. The built in echo & noise cancellation
feature will give you crystal clear sound quality on your hands free
phone calls. The all-speaker playback feature will give you a rich
& dynamic music streaming quality. The BT45 has an additional
3.5 mm auxiliary audio port and a USB charging port so you
can play music stored in your non-Bluetooth devices and keep your
device charged and ready to go. The BT45’s plug & play technology
takes advantage of the OEM radio’s ability to accept an external CD
changer or Satellite Radio by converting it into Bluetooth phone/
audio streaming/AUX input source. This design innovation allows
you to maintain functionality of existing factory installed
options such as, Navigation, CD changer, Satellite radio, RSE (rear
seat entertainment system), and AUX/USB input.
NOTICE
USA SPEC solely distributes its products through authorized
dealers in order to ensure its customers receive proper services
and information from the dealers. USA SPEC reserves the right
to only oer technical support or warranty services for products
purchased through authorized USA SPEC dealers. Please refer
to our website www.usaspec.com for a list of authorized dealers.
• DO read the entire manual before starting the installation. We
recommend that the BT45 be installed by a qualied professional
since all installations will require the removal of some parts
of the vehicle such dashboard, backseat, etc.
• DO install the interface securely using Velcro or wire ties (not
included) and keep away from any moving parts such as the gas
pedal.
• DO NOT open, disassemble, or modify the BT45 in any way. Such
attempts will void the warranty on the product.
• DO NOT expose the interface to extr eme temperature, humidity,
or direct sunlight.
• DO NOT operate the Bluetooth device while driving. Always give
full attention to the road while driving.
PRODUCT OVERVIEW
INSTALLATION & OPERATION PRECAUTIONS

2
BT45-GM20 PACKAGE CONTENT
• 1 Product Manual
• 1 BT45-GM20 Module
• 1 BT-GM20 Cable
• 1 MIC45 Microphone
COMPATIBILITY INFORMATION
Bluetooth Device Compatibility
BT45 is compatible with most Bluetooth wireless technology enabled
devices currently on the market such as iPhone, iPad, iPod Touch,
Android smartphones & tablets, Windows smartphones & tablets,
and Blackberry. Devices must have Bluetooth prole A2DP
(Advanced Audio Distribution Prole) and AVRCP (Audio/
Video Remote Control Prole) 1.4 or higher for audio streaming
and text display.
Note: Due to the dierence in Bluetooth technology, some
Bluetooth enabled devices may be incompatible or may not
support all of BT45’s features.
Device Compatibility for Music Info Display
The display of artist, album, and song title information on the
radio is determined by the following 3 factors
1. Your device's (smartphone) operating system: iOS 6 or
higher, Android 4.0 (Ice Cream Sandwich) or higher
2. Your device's Bluetooth profile: AVRCP 1.4 or higher
3. Music/media app: text display capabilities of music/
media streaming apps can vary thus some might not
display properly on your radio
• Note: the default display is channel number or song title. To
see more of the music info such artist or album name, press
the button on the radio to cycle through the dierent text
fields.

3
Vehicle Compatibility & Satellite Radio Receiver
Location
MAKE MODEL (1) YEAR XM (SAT Radio) Receiver
Location (2)
BUICK
Enclave 08 - 12 Behind right (passenger side)
rear quarter panel
Lucerne 07 - 11 Behind left (driver side) rear
quarter panel
CADILLAC
DTS 06 - 11 Behind left (driver side) rear
quarter panel
Escalade 07 - 13 Behind the glove box
Escalade ESV 07 - 13 Behind the glove box
Escalade EXT 07 - 13 Behind the glove box
SRX 08 - 09 Behind the Right (passenger
side) rear quarter panel
Chevy
Avalanche 07 - 13 Behind the glove box
Cobalt 08 - 10 Under the rear deck
Equinox 07 - 09 Behind the left (driver side)
rear quarter panel
HHR 06 - 10 Behind the right (passenger
side) rear quarter panel
Impala 06 - 13 Behind the right (passenger
side) rear quarter panel
Malibu 08 - 11 Under the rear deck
Silverado 07 - 13 Behind the glove box
Suburban 07 - 13 Behind the glove box
Tahoe 07 - 13 Behind the glove box
Traverse 09 - 12 Behind the glove box
(1) All vehicles must have SAT/XM receiver, NOT compatible
with non-SAT/XM radios

4
MAKE MODEL (1) YEAR XM (SAT Radio) Receiver
Location (2)
GMC
Acadia 07 - 13 Behind the right (passenger
side) rear quarter panel
Sierra 07 - 13 Behind the glove box
Yukon 07 - 13 Behind the glove box
Yukon Denali 07 - 13 Behind the glove box
Savana 08 - 11 Behind the glove box
PONTIAC
Solstice 08 - 09 Behind the right (passenger
side) rear quarter panel
Torrent 08 - 09 Behind the left (driver side)
rear quarter panel
(1) All vehicles must have SAT/XM receiver, NOT compatible
with non-SAT/XM radios
DIP SWITCH SETTINGS
1. Set the dip switches on the BT45-GM20 module to:
1-ON, 2-ON, 3-ON, 4-ON
• Dip switch ON = DOWN; OFF = UP

5
Installation Instructions
INSTALLATION
• We recommend that the BT45 be installed by a qualified
professional since all installation will require the removal of
some parts of the vehicle such as dashboard, backseat, etc.
Install the microphone
See p.6 for
recommended locations
Pair your Bluetooth
device (phone)
See p.9 for instructions
Learn about media
streaming, hands-free
phone calls, and AUX input
on p. 10-14
Make sure you have
completed all of the above
steps and have made
a couple of test calls before
putting your car
back together
(Optional)
Install cables for the
3.5mm AUX port and
the USB Charging port
Locate the SAT/XM radio
receiver
See p.3-4 for
SAT/XM receiver location
Turn vehicle engine OFF
and make sure the key is
out of the ignition switch
Follow Diagram B on
p. 7-8
for cable connections
Install the BT45 interface
module in an easily
accessible location

6
Diagram A: Recommended Microphone Locations

7
Diagram B: Cable Connection
• The below representations of cables & etc. are generalized
depictions and are not drawn to scale.
SAT/XM Radio Receiver
Step 1:
Unplug the factory 16-pin
cable from the SAT/XM
receiver
Step 2:
Connect the BT45
interface module and the
BT-GM20 cable
TO RADIO
BT45-GM20 Interface Module
DIP Switches
Factory 16-pin
SAT/XM cable
BT-GM20

8
Diagram B: (continued from P. 7)
SAT/XM Radio Receiver
Step 3:
Plug the BT-GM20 cable’s
male 16-pin terminal
into the SAT/XM receiver's
16-pin port
Step 4:
Take the 16-pin factory cable
from Step 1 and connect
it to the female 16-pin terminal
of the BT-GM20 cable.
16-pin
factory cable
BT-GM20

9
BLUETOOTH SETUP
Bluetooth Device Pairing Instructions
1. Turn your vehicle's ignition ON and make sure the radio is
turned on and its volume is set to at least 10-30%
2. Press the "MODE" button until the radio switches into XM
audio source
3. The radio will display "BT45 #####-####"
4. Enable the Bluetooth function on your device (phone)
5. Scan/search for available device from your phone. It may
take up to 30 seconds for your phone to locate the BT45
6. Select BT45-GM from the list of available devices your
phone has detected.
7. Allow the pairing process to take place
8. Once pairing is complete you will hear the "CONNECTED"
voice prompt from your vehicles' audio system and the radio
will briefly display the name of your phone, i.e. USA SPEC
TEST PHONE
• Factory XM functions are not aected by the addition of the
BT45-GM20. See below steps on how to toggle between
Bluetooth and XM
Non-Navigation Radios
1. While in Bluetooth audio source, press & hold the SEEK 
button
2. When the word "SCANNING..." appears on the radio display,
quickly short-press the SEEK button again and the XM
radio will begin to play.
Navigation Radios
3. While in Bluetooth audio source, press & hold the SEEK 
button and XM radio will begin the play
Switching Audio Source: from Bluetooth to XM
Source

10
MEDIA STREAMING
• If you have music stored in your device, it will begin to play
right after the "CONNECTED" voice prompt. If playback does
not start automatically, turn the radio TUNE knob to the right
(TUNE UP). You can also proceed to manually start playback
on your device from your preferred media app such as
Pandora, YouTube, or Podcast app.
• While your music is playing press the button on the radio
to cycle through the dierent text fields such as artist, album,
and song title. The default display is channel number or song
title
• The BT45 will assign track numbers to the currently playing
audio tracks if your radio is unable to display music info due
to device's compatibility (see p.2 for details).
Music Playback Control
Next & Previous Track
1. From the radio: turn the TUNE knob or the SEEK /
buttons
2. From the steering wheel: press the SEEK /buttons
Pause & Play
3. Pause the media streaming directly from your device (phone)
4. Radio display will say [PAUSED]
5. To resume streaming: turn the radio TUNE knob to the right
or press the SEEK  button from the radio or the steering
wheel
• Note: Some steering wheel's SEEK /buttons might be
designed for PRESET functions instead of track up/down. In
such cases please use the radio buttons to change tracks.

11
PHONE CALLS
Answer and End Calls
When there is an incoming call:
1. You must manually switch to Bluetooth audio source (XM)
first
2. Once you are in the Bluetooth source (XM), you will hear
the caller's number announced through the vehicle's sound
system (you will hear "PRIVATE" if caller ID is not available). If
the voice prompt features is disabled, then you will only hear
the phone's ringtone. See p.13 on how to enable/disable the
voice prompt feature.
Answer Calls
3. From the radio: turn the TUNE knob to the right or press the
SEEKbutton
4. From the steering wheel: press SEEK button
End or Reject Calls
5. From the radio: turn the TUNE knob to the left or press the
SEEK button
6. From the steering wheel: press the SEEK button
7. Once a call has ended, the radio will remain in the
Bluetooth source (XM), you must manually select the source
you wish to go back to.
• Note: Some steering wheel's SEEK   buttons might be
designed for PRESET functions instead of track up/down.
In such cases please use the radio buttons to answer/end/
reject calls.

12
Make Calls
1. Make sure you are in the Bluetooth audio source (XM)
2. Dial calls directly from your phone
3. OR use your phone to engage its voice command function
such as Hey Siri, Hey Google, and Cortana. Once engaged,
your voice command will be picked up by the BT45's
microphone (1).
4. Turn the TUNE knob to the left or press the SEEK button
to end the call
(1) Please keep in mind that the environment inside a moving
vehicle tends to be noisier than your average environment.
This will aect how accurately your phone's voice recognition
function such as Siri picks up your voice command.
Hands-free to Hand-held
Transferring an active call from hands-free to Hand-held
1. While on a call, turn the TUNE knob to the right or press the
SEEK  button to transfer the call from hands-free to hand-
held
2. Turn the same knob to the right again or press the SEEK 
button again to transfer the call back to hands-free mode

13
USB CHARGING PORT
• USB charging cable is not included in this package
• Maximum charging output: 2.1 amps at 5 volt
ENABLE & DISABLE VOICE PROMPT
1. Turn your vehicle's ignition ON
2. Go to Bluetooth source (XM)
3. Disable the Bluetooth function from your phone's setting
4. Wait 5 seconds, then turn the TUNE knob to the right or
press the SEEK  button to ENABLE. Turn the same knob to
the left or press the same SEEK button to DISABLE
5. Enable your phone's Bluetooth function and reconnect to
the BT45. The feature will stay disabled or enabled until you
perform the above steps again.
• The above steps will enable/disable both the voice
prompt and the caller # announcement features

14
AUX PORT
• The BT45-GM20's AUX port can be used for any device with
a line-level audio output such as the headphone plug from a
a laptop, old iPod, or other portable devices.
• You will need a 3.5mm to headphone jack cable (not
included in this package)
Non-Navigation Radios
1. While in Bluetooth audio source, press the CAT button and
select AUX audio input.
2. Play the connected audio device manually and adjust the
volume accordingly.
To go back Bluetooth source:
1. Press the BLUETOOTH preset button
Navigation Radios
1. While in Bluetooth audio source, press the soft touch button
on the center of navigation screen
2. Select the SOURCE tab and then the AUX option from the list
To go back to Bluetooth source:
1. Press the soft touch button on the center oft he screen
2. Select the SOURCE tab and then the BLUETOOTH option
form the list
For troubleshooting or general feature & functionality
questions please contact our customer service team.
Give us a call at [phone] Mon-Fri: 9am-5pm PST
or e-mail us at [email protected]
You can also find answers to some of the frequently asked
questions on our website.
http://www.usaspec.com/t-faq.aspx

15
Thank you for choosing a USA SPEC product. USA SPEC, Inc., is commied to providing
high quality defect-free products. All USA SPEC products are tested before leaving the
factory and warranted against defects in materials and workmanship for a period of one
year to the original owner. The one-year warranty period begins at the date of purchase
from an authorized dealer.
PRODUCTS COVERED:
Products and related accessories supplied by USA SPEC, Inc. with the brand name of USA
SPEC are covered by this warranty. Only products purchased in the USA are covered.
WARRANTY DOES NOT COVER:
1. Damage due to improper installaon or operaon, negligence, abuse, or not following
instrucons, warnings or acceptable industry procedures.
2. Damage caused during the shipment or transportaon of the product. All claims of
this nature must be presented to the carrier.
3. Damage caused by acts of God, war, or civil disturbance, including without limitaon,
ood, re, storms, earthquake or other acts of nature.
4. Any expenses or cost to remove or reinstall products.
5. Any product without the original serial number and factory seal, or has been serviced
or modied without the authorizaon of USA SPEC.
6. Any product not distributed by an authorized USA SPEC dealer.
TO OBTAIN WARRANTY SERVICE:
Contact the Customer Service center for assistance at (626) 336 - 3836. A detailed
descripon of the problem(s) is required for service. Proof of purchase is also required
when sending a product for warranty service. If the problem cannot be resolved and
the product must be returned for service, you will receive an authorizaon form from
the service center. The product must be delivered pre-paid to the service center. USA
SPEC will, at our opon, repair the product or replace it with a new or recondioned
product, and if it was shipped to the service center, the return shipping will be pre-paid
free of charge provided the repairs are covered by the warranty. The product must be
packed securely for shipment to the service center in order to preserve the warranty and
prevent damage.
NO IMPLIED WARRANTY, INCLUDING MERCHANTABILITY AND FITNESS FOR USE APPLIES
TO THIS PRODUCT AFTER THE ONE YEAR PERIOD AS DEFINED ABOVE, AND NO OTHER
EXPRESSED WARRANTY OR GUARANTEE, EXCEPT AS MENTIONED ABOVE, GIVEN
BY ANY PERSON, FIRM, OR CORPORATION WITH RESPECT TO THIS PRODUCT SHALL
BIND THE WARRANTOR. NEITHER THE WARRANTOR NOR ANY OTHER PERSON, FIRM,
OR CORPORATION IS RESPONSIBLE FOR LOSSES OR INCONVENIENCES, OR FOR ANY
CONSEQUENTIAL DAMAGES CAUSED BY THE PRODUCT. SOME STATES/PROVINCES DO
NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, AND SOME
DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL
DAMAGES.
This warranty gives you specic legal rights, and you may also have other rights, which
vary, from state to state, and province to province. Some of the limitaons or exclusions
may not apply to you. THE ABOVE WARRANTY TERMS AND CONDITIONS ARE VALID ONLY
IN THE U.S.A.
LIMITED WARRANTY

16

The GM names and vehicle model names are trademarks owned
by or licensed to General Motors Corporation .
Bluetooth®Music & Phone Interface
for GM LAN BUS with XM
All Speaker
Playback
3.5 mm
AUX Input
HandsFree
Phone Call
Wireless
Media
Streaming
♬
USB
Charging
music
info
display
Clear &
Dynamic
audio
quality
music
playback
control
CALLER #
ANNOUNCEMENT
& DISPLAY
* All radios an XM (SAT radio) receiver.
* The above application chart is for general reference only.
Please check www.usaspec.com to verify specic application.
Model Year
Enclave 08 - 12
Lucerne 07 - 11
DTS 06 - 11
Escalade 07 - 13
Escalade ESV 07 - 13
Escalade EXT 07 - 13
SRX 08 - 09
CADILLAC
BUICK
Model Year
Avalanche 07 - 13
Cobalt 08 - 10
Equinox 07 - 09
HHR 06 - 10
Impala 06 - 13
Malibu 08 - 11
Silverado 07 - 13
Suburban 07 - 13
Tahoe 07 - 13
Traverse 09 - 12
CHEVY
Model Year
Acadia 07 - 13
Sierra 07 - 13
Yukon 07 - 13
Yukon Denali 07 - 13
Savana 08 - 11
Solstice 08 - 09
Torrent 08 - 09
GMC
PONTIAC