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Bluetooth operation 

 

1.

 

Press “BAND” button on radio to enter XM mode or CD/AUX button to 
enter external CD changer or DVD mode

 

2.

 

Use radio volume button to set playback level

 

 

Music Commands 

Use control button to perform the following music commands:

 

 

To 

Proceed this way 

Pause a Song 

Press and release button 

Resume Play 

Press and release button 

Skip to next song  

Press button twice 

Skip to Previous Song 

Press button 3 times 

AUX option* (

XM/Aux/DVD/changer) 

Press button 4 times 

Activate Voice Control 

Press/hold button for 2 seconds 

Switch out of XM Mode 

Press and release button 

 

Phone Commands 

Use control button to perform the following phone commands: 

 

To 

Proceed this way 

Answer call 

Press and release button 

End call 

Press and release button 

Reject incoming call  

Press button twice (call goes to VM) 

Cancel outgoing call 

Press button 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 

un-pair phone or erase stored phones) 

3.

 

On incoming calls, ring tone will play on car speakers 

4.

 

Bluetooth range is approximately 30 ft. Ensure device is within range 

5.

 

Voice command compatible with Apple (Siri), Android (Google Now), 
Blackberry (Assistant) 

6.

 

* Control button will not control XM/Aux/CD changer/DVD functions. 
Use radio button assigned to these functions or aux device built-in 
control for music selection. 

7.

 

Upon ending call, music streaming resumes, however to resume 
XM/AUX playback, press control button 4 times. 

 

If successful go ahead and Reinstall the Radio 

 
 
 
 
Congratulations, you’ve just updated your vehicle to support new technology 
while preserving the original radio and dash components. 
 Enjoy! 

 
 

 

 

 

 

 

 

 

 

 

Summary of Contents for GM3X-HF

Page 1: ...ng the internet community since 1995 Driving without distraction is a necessity for a safer driving experience GM3X HF QUICKSTARTINSTALLATIONGUIDEFORGMCLASSIIWITHXMTUNERMODULEORREMOTECDCHANGER Created...

Page 2: ...he GM3 HF works in 2003 12 GM Class II vehicles equipped with an XM tuner module remote CD changer or RSE See Fig 18 If vehicle only has XM and subscription has expired an AUX input jack is provided f...

Page 3: ...ttery Tip Accessory ACC is available on ignition harness under steering column Remove steering column cover and tap into orange or brown wire Accessory power may also be available from fuse panel Acce...

Page 4: ...mic It is best to mount button facing driver USB charging port install options Should you decide to use charging port we suggest one of 3 connecting options A Flush to dash panel requires drilling a...

Page 5: ...o mount USB support bracket See Fig 14 using adhesive backing or screws Fig 14 USB mounting bracket 2 Insert USB male terminal through bracket See Fig 15 and connect to module USB port See Fig 11 Fig...

Page 6: ...formed upon initial install at which the GM3x HF will automatically reconnect with paired device upon entering vehicle 1 Turn vehicle ignition to ON 2 Red LED inside module should flash otherwise chec...

Page 7: ...ess button twice call goes to VM Cancel outgoing call Press button twice Activate Voice Control Press hold button for 2 seconds Notes 1 If playback is distorted adjust volume on Bluetooth device 2 To...

Page 8: ...structions also apply to enable Aux playback option 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 d...

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