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RP5-GM32

Radio Replacement & Steering Wheel Control Interface 

with OnStar Retention for General Motors Vehicles

Pacific Accessory Corporation

®

 | Ph. 866-931-8021 | [email protected] 

©2016 Pacific Accessory Corporation

www.pac-audio.com

Rev. 022516

Pacific Accessory Corporation

Optional Steering Wheel Control Programming (cont.)

Alpine

JVC

Kenwood

Clarion

Other*

Pioneer

Sony

Fusion

1

2

Volume -

Volume -

Volume -

Volume -

Volume -

Volume -

Volume -

Volume -

3

Mute

Mute

Mute

Mute

Mute

Mute

Mute

Mute

4

Source

Source

Source

Source

5

Preset -

Track +

Play

Preset -

Preset -

Preset -

Track +

6

Source

Track -

Track +

Search -

Source

Source

Source

Track -

7

Track +

Band/Disc +

Track -

Band

Track +

Track +

Track +

Audio

8

Track -

Preset/Disc -

Disc/FM +

Send/End

Track -

Track -

Track -

Power

9

Power

Select

Disc/AM -

Send 

Band

Band

Band

10

Enter/Play

Attenuation

Answer

End

N/A

Phone Menu

Reject Call/Source 

(Bluetooth equipped 

radios only)

11

Band/Program

Phone Receive

Voice Dial

Answer Call

Answer/End Call

12

Receive

Phone Reject

On Hook

End Call

13

End

Voice Dial

Off Hook

VR

14

VR

Power

Mute  (Multimedia 

units only)

15

*Other = Advent, Boyo, Dual, Lightning Audio, Rockford Fosgate, & Visteon

Optional Programming Order

Page 3

The Mute button can be set to control the factory OnStar functions or given the ability to control the aftermarket radio. This option 

can be set using the program button on the side of the interface. The default setting for this button is factory mode which controls 

the factory OnStar. If this button is set to aftermarket mode, OnStar must be accessed by using the factory controls located on 

the rearview mirror.

Aftermarket Mode

•  OnStar control through the SWC Mute button is disabled. 

This  will  free  up  the  Mute  button  to  send  mute  radio 

command and another 2nd function. 

Factory Mode

•  The  SWC  Mute  button  is  programmed  to  control  OnStar  

It cannot be programmed for short press/long press dual 

command functionality and is blocked from doing so.

Use the function chart on the next page as a guide to program the functions in the proper order for your new radio 

1. 

Turn the key to the ignition position.

2. 

Press and release the programming button on the side of the interface the number of times that corresponds with either 

factory or aftermarket mode. One press will set factory mode and two presses will set aftermarket mode. The LED will blink 

each time the button is pressed. 

3. 

Once you have chosen either factory or aftermarket mode, after 2.5 seconds the LED will come on solid. 

At this point you 

have two options:

A. To restore the SWC to factory default settings: 

Simply wait 7 seconds and the LED will blink 3 times indicating 

                    the interface has timed out. The default settings are now restored and no further action is required. 

B. To program custom SWC assignments: 

Proceed to step 4

4. 

With the LED on, press the first button to be learned on the steering wheel, the LED will turn off.

 

At this point you have 

two options:

A. For short press functionality: 

Release the button within 1.5 seconds. The LED will turn back on. 

B. For long press functionality: 

Hold the button until the LED starts blinking. Release the button and the LED  

             will go back to solid.

5. 

If you need to program more buttons, repeat step 3  for each additional audio function on the steering wheel.

6. 

If you come across a function in the chart that your steering wheel does not have, or you do not want to program, press and 

release the program button on the side of the interface to skip that function. 

7. 

Once programming is completed, wait seven seconds. The LED will flash three times indicating end of programming.

8. 

Test the interface for proper functionality. Whenever a SWC is pressed the LED on the interface should blink. If any function 

does not work, repeat the programming steps

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