[OutOfStep]

Mine has less than 25 K on it as well and I keep the windows and doors off nearly year around, I maybe put them back on for 2 weeks in a year. It's really dusty here so everything gets covered in dust. It all cleans right up though with a wet rag, the dash still looks factory new (at least it did the last time I knocked the dust off of it sometime in March).

I would worry more if it rained a lot here, but in the nearly 4 years that I've had it, it's only rained on me about five times, and of those, only two were the type where you wish you had wipers on the inside of the windshield.