Some molds are much worse than others. Our new Kia had a front compartment seal installed wrong, and rain soaked the front floors. After the dealer repaired the leak, the mold got so bad you could smell it from 20 feet away. It smelled like a cave. They finally took the car to a specialist who ripped out the interior down to the bare metal and treated the whole thing. At that point I lemon-lawed the car. A few weeks later I saw my ex-car sitting in the dealer's lot. I opened the door and was almost knocked out by the foul smell. They will probably have to bury the thing.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma