If you are in the same situation as I, where you try to start your Renault Megane 2, but all you get is that all lights start to blink and after a few time you start to get all sort of errors, there is a chance that your electronics in your car are fine and not faulty, but the problem is in the dead battery! :)

So if you are in such a situation, before you start to take a part your car, I suggest to start with the battery, charge it or try to jump start your car :)

One more thing, when I tried to check if it is the battery I was thrown off, because of the high beam lights, I wanted to see how dim they will be, but when I turn them on, I could not turn them off so I was worried that car electronics are living their own life, however it looks like it is symptom of flat battery for your Renault Megane 2.

Brief situation description:

A few days ago I had situation where I worked all day with car and the doors were opened so the interior light were on.

Obviously it is no more 1990's when car battery could not hold such a situations, but this happened to me and obviously it looks like my car battery isn't that fresh any more..

After I finished the work, I went inside and a few hours later come back out to drive away, but when I tried to start the car, it didnt start, all I got was weird flickering of all lights, all sort of errors and later on unreadable errors like in the video.

I didnt have any car to try to jump start, but I was lucky enough to have close by electricity and battery charger (you can take the batter out as well, if there is no electricity close by), so I left the batter charging inside the car over night, I was using super slow charger, just 1A, but with 6h it got charged enough to start the car :)

Now all is fine, car works good and starts every time without any problems, but it is probably a good investment to look for a new battery, especially if you have cold winters and you have had such a situations, all depends of your budget..

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