$429.00 RPK4-HD1101

Radio Replacement Kit with Integrated Climate and Steering Wheel Controls for 2003-2007 Honda Accord

  • Not compatible in Hybrid models




  1. If this is the first time using the RadioPRO PC Application, download the Radio PRO PC Application. This can be found at the "Download" tab at the very bottom of the firmware list on this page.
  2. Download the firmware file.
  3. Install the Radio PRO PC Application using the .exe file you downloaded in step one.
  4. Open the RadioPRO PC Application using the new shortcut created on your desktop.
  5. Connect the interface to the computer using a standard to micro USB cable.
  6. Click the "Firmware" icon.
  7. Click “Select File” and browse to the new firmware file. The new firmware can be found where you saved it before beginning.
  8. Once the file is chosen the update will begin. When successful it will show the text "Update Completed".
  • Firmware Download, Version V14 (Released on March 6th, 2019)
    Release Notes
    • Fixes firmware version shown in Radio PRO PC application
  • Firmware Download, Version V13 (Released on August 17th, 2018)
    Release Notes
    • Fixes issues seen with upper display
    • Adds upper display selection mode
    • Adds hybrid single/dual zone selection for HVAC
    • Improves general functionality
  • Firmware Download, Version V8 (Released on January 26th, 2018)
    Release Notes
    • Now displays current programmed version when entering programming mode.
    • Adds ability to do master reset.
  • Utility/Other, Version V19 (Released on February 22nd, 2020)
    Release Notes
    RadioPRO PC Application

The RPK4-HD1101 includes everything you need to install an aftermarket radio in a 2003 - 2007 Honda Accord; it includes a factory-matched radio mounting dash kit, electronic interface module plug-n-play harnesses to retain important vehicle features like climate and steering wheel controls. PAC quality and engineering provides you the most professional installation solution available!


  • Factory climate controls
  • Steering wheel controls


  • Works on vehicles with and without factory navigation radios
  • Works on vehicles with single or dual-zone climate control systems
  • Single zone and dual-zone control knob button insets provided
  • Displays Fahrenheit and Celsius temperature
  • Includes everything you need for a professional installation
  • Factory-matched radio installation dash kit
  • Factory-matched climate controls and graphics
  • Exterior temperature display retention in a cluster
  • Left and right-hand drive configurable
  • Accommodates single or double-DIN radios
  • Replacement lower pocket with USB outlet

Kit Includes

Radio mounting dash kit

Interface module

Radio connection harnesses

Single and dual-zone control knob button insets

Factory replacement pocket with USB

Adapter for factory navigation radio

Installation instructions


Product Revision History

Current Revision #: Description: Fixes issues are seen with the upper display. Adds upper display selection mode. Adds hybrid single/dual-zone selection for HVAC. Improves general functionality. Release Date: 08/17/2018

Revision #: Description: Now displays the current programmed version when entering programming mode. Adds the ability to do a master reset. Release Date: 01/26/2018

Revision #: Description: Initial Release Release Date: 04/11/2017

RPK4-HD1101 Instructions
Rev. 081318 ***These instructions only apply to firmware version 13***
 Download (2.93M)
RPK4-HD1101 Instruction Manual
Rev. 011918 ***These instructions only apply to firmware version 8***
 Download (2.68M)
RPK4-HD1101 Instruction Manual
Rev. 021517***These instructions only apply to firmware version 6 or lower***
 Download (5.64M)
RPK4-HD1101 Tech Brief
Intermittent steering wheel button functionality
 Download (490.76k)
RPK4-HD1101 Tech Brief
Center buttons in HVAC knobs get stuck or drag
 Download (387.83k)