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How to reset the pollution system warning light on a Renault Megane 3?

Model: Renault Megane Megane III, Megane 3 - Years: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
Part: Warning light – error code

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When the pollution system warning light appears on the display of the Renault Megane, it indicates a problem with the exhaust or one of the sensors. To turn off the light, you may need to drive for a few miles to clear the exhaust; alternatively, it may be necessary to replace the exhaust gas pressure sensor.

The first option is a temporary solution, but as specified in the video, it is advisable to have a scan performed at a workshop to identify the source of the problem and address it, turning off the light.


Updated on 29 April 2026 by ScegliAuto


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Where are the fuses located on the Renault Laguna?

On the Renault Laguna, the fuses are located inside the fuse boxes installed in the vehicle: in this car model, you will find two boxes for containing the fuses. The first is in the fuse box on the left side of the dashboard, accessible by opening the driver's door: here you will find the fuses for the windscreen wipers, fog lights, horn, etc. The second box is located on the right side of the engine compartment: here you will find the fuses for the dipped headlights, radiator fan, alternator, etc.

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