took the car cover,put it in a tub n all the dust came off of it
i was waiting until it becomes shady near the motor so finally took out time to wash the car as well,weather got good,windy n it was about to rain cox of which i got tensed as what if it started raining,what will i do,washed it quickly,dried off,put car cover back
car all clean n the car cover as well 
n what do you know,sun came back,n its sunny again after all this rush :mad:
though its sort of good otherwise i'd had to wash it under sun