Like what was said earlier, Park in the Sun for a few days. That should clear it up. If not, THEN it would be safe to say that it IS dust.
Had my ram done twice! First guy used crappy film and it faded. No spots tho, either time.
09CC4x2 CST 4+1 Front, 20x9 Fuel Nutz 295/60 Grapps, Black Heads+Tails, CAI, Predator, Custom Exhst