If your mechanic checked it 8 times and is unable to determine the
location of where the smell/source is... then you should take it to
another mechanic for a second opinion. I had a smell coming from my
dashboard too but it wasn't a burning smell. It was more of a sweet
smell which would give me headaches after a few minutes. I found out
it was my heater core leaking anti-freeze into the car. Had it replaced
but the smell remained for weeks. Definitely find the source of that
smell because you might me doing harm to yourself in the long run.
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