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4.

 

Tuck and secure any extra wire away from moving parts and test 

operation (

See Initial Radio Setup

 
 

C.

 

Un-Mounted (Free Standing) Terminal 

Use your own USB charging cable included with your Apple, Samsung device 

(Port is for charging only) 

3.5MM JACK + USB Charing Cable 
 

 

 

This option works best for charging and aux input options and can be mounted to 
vehicle using included bracket or by drilling hole. Connect USB and 3.5mm to 
module (USB and AUX input) and install terminal to dashboard (drilling required) 
or bracket (no drilling). 

 

Secure module and proceed to section next section. 

 

 

 

Bluetooth Pairing and Connection 

This process is required the first time you use the GM3x-HF.  After initial pairing, 
the GM3x-HF will automatically reconnect with phone upon entering vehicle. 
 

1.

 

Turn vehicle ignition to “ON”.

 

2.

 

Red LED inside module will begin to flash 

3.

 

Access Smartphone Bluetooth menu settings, and search (scan) for 
devices. 

4.

 

Select the G2 and click 

“Connect” 

 

 

 

 

Note: Supports multiple phones but connects to only one phone at a time. 
 

 

Caller ID and text display are 

not possible in XM mode

Operating Bluetooth device is by pressing the control 
button and your Voice Recognition application. Use the 
factory radio volume button to control playback  

 

 

 

 

 

 

 

Summary of Contents for GM3x-HF

Page 1: ...reo com Driving without distraction is a necessity for a safer driving experience GM3x HF Quick start Installation Guide for GM Class II Vehicles with XM Tuner or Remote CD Changer Created July 19 201...

Page 2: ...ars Note XM subscription not required for operation however subscribers retain the service If not subscribed the module AUX input can be used to connect and play audio devices such as Mp3 players sate...

Page 3: ...one out Use included 3 5mm male to male cable See Fig 4a to connect your audio device to module XM AUX input jack Fig 4a 3 5mm male to male cable Fig 5 Module 7 Connect shorter 3 5mm plug from install...

Page 4: ...entilation duct is pointed towards the mic It is best to mount button facing driver USB Charging Port Options Should you decide to use it we suggest one of 3 connecting options A Flush to dash panel r...

Page 5: ...See Enabling the AUX section below B USB with Bracket Mount No drilling 1 Locate a flat surface at location of choice within 6 ft of radio to mount USB support bracket See Fig 14 using the adhesive b...

Page 6: ...drilling Secure module and proceed to section next section Bluetooth Pairing and Connection This process is required the first time you use the GM3x HF After initial pairing the GM3x HF will automatic...

Page 7: ...on twice Activate Voice Control Press hold button for 2 seconds Notes 1 If playback is distorted adjust volume on Bluetooth device 2 To reset Module press and Hold button for 5 seconds this will not u...

Page 8: ...n instead of XM CD Changer 7 Where is the best place to install control button mic We found that having the control button mic mounted higher on the dash worked best but users can experiment with diff...

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