Well, I took the gamble. I removed the covers from the cushions, and removed the curtains, tossed 'em in the washer. After two washes I hung them in the wind to dry..
They turned out great.. Clean and smell great!
2000 Jayco Eagle 269 RD Fifth wheel
2002 Chevrolet ECSB Z71 Pickup (DD and short haul tow vehicle)
1988 Chevrolet Crew Cab Dually (long haul tow vehicle)