As you already know the r-link 2 systems are available in 2 screens versions:

  • One landscape small screen 7″
  • and another one with big screen portrait 8.7″
RLINK 2 – 7″ Landscape vs 8.7 Screen Portrait

And if you to switch from one to another as an upgrade all you need to have is of course the screen + DDT4ALL + proper ELM connector.

DDT4all is an open-source program with a friendly graphical interface. With this program and a CAN network with a cheap ELM327 interface, you can access various control devices and change parameters via the OBD interface. For example, functions can be unlocked that are actually withheld from other models (eg comfort indicators, permanent tacho lighting).  Using the application in nonexpert mode should not be harmful to your vehicle (leave the expert mode button released)
The author declines all responsibility for the bad use of this tool. You are the only responsible. This tool is mainly aimed at CAN ISO_TP network study.

 after BEER DONATION  for all the DDT4ALL + DACIA database last tested + PYREN and driver necessary for USB ELM OBD SCANNER


The devices discussed in this manual, software, and methods for working with them are not released by the car manufacturer.

The potentially unrestrained use can lead to interruptions or failure, both individual units and components of the car, as well as the car as a whole, they can also be a reason to reduce the level of vehicle safety and reject the warranty service.

Anyone who chooses to do experiments on their car needs to understand all the risks and only take them on board.

I am not responsible for any damage caused to users of this manual and third parties.

And now if you are ok, we can start with basic changes that we will cover in this article:

Preliminary operations

will we need, first of all?

  •  An OBD2 interface ( ELM327 V1.5 mandatory with PIC 18F25K80) compatible, whether it is USB, Bluetooth or Wi-Fi, you can read about the versions here;
    • The correct driver for the interface in case of USB can be Prolific USB – SERIAL and can be download from the LINK
  •  A laptop PC with Windows (tested with 7 and 10);
  •  The DDT4ALL software, which you will find(version 5.3.5 updated to 20.01.2019 by Zmiterm) or the official owner Cedricp GitHub release DOWNLOAD LINK HERE for all the DDT4ALL + DACIA database last tested + PYREN and driver necessary for USB ELM OBD SCANNER
  •  A minimum of computer skills, otherwise it is better to leave it alone …

So let’s start with the tool that can help us with the activation:

In DDT4ALL select ECU AUDIO, then Radnav v1.5, then configuration and engineering configuration

You need to change all values like those in the image on: CENTRAL PANEL – DISPLAY PARAMETERS

Press Einstein Then on Yellow button “WRITE DISPLAY” check that in the green column the parameters were displayed correctly Then we go to

RADNAV configuration

2.0 -Part 1 In Screen orientation put on Portrait Press Einstein if disabled Click on the yellow button Write RadNav 2.0 configuration Check that in the green column it is indeed on Portrait Click on the yellow button Key Off / On reset , it will reboot

Then select the HVAC ECU

ClimBoxGen2_v29 In Screen select CLIMBOX+ and Manual-Configuration Edit CL_WithControlPanel by CP Type 7: 1540 E3 Click on the Einstein button if disabled

Click on the yellow button next to the modification CL_WithControlPanel Reboot the RLINK by holding the on/off button to the black screen And voila it’s over


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