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How to Activate the Cornering Function of the Fog Lights on the Renault Megane IV

Model: Renault Megane Megane 4, Megane IV - Years 2015-2023
Part: Fog lights

In this video, you will see how to activate the cornering function of the fog lights on the Megane IV: you will use the DDT4ALL program and, of course, you will need an OBDII interface; the one recommended by our YouTuber can be found on Amazon with the code B074SD3VD5 at a price of £29.99, with free delivery. Connect and search for your car model, go to the UPC-EMM control unit, then select the second USM-CMF1, and double-click on the lower cluster: the control unit takes a moment to load. Look for the section related to lights, then select "lights" (it will prompt "configuration": confirm). A page will open, and you need to modify "cornering inhibition" to 1 (which is true in binary code); you need to set the inhibition to false, which means you should write 0 (false in binary code). Press "send" and the modification is complete. For safety, turn off the car and leave it off for a few minutes.

Updated on 5 September 2026 by ScegliAuto

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