Originally posted by dantastic
you're supposed to only use cool water to wash your car. warm water that's been thru a water heater has a lot of sediment and minreals in it from the heating elements (the same reason why you're not supposed to drink hot water out of the tap.) the water is "hard" and will leave water spots if you dont dry your car fast enough
now thats the quality response i was looking for.... thanks dude