My seat also has a bad hot spot on the left outer part, about mid-thigh when seated. I can't leave it on even in low for very long. I thought about swapping the front seat bottoms if that's not too much of a pain in the ass. The seatback heater doesn't work but I don't mind that as I'm usually wearing a jacket vs my butt being clad in underpants and jeans which are not warm at all.

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