Rinse
Wash
Rinse
Clay the car whilst wet
Wash
Dry
Polish,Wax or whichever LSP your gonna use.
Just dont be a tight ass on the lube, otherwise you'll regret ever using clay even with the soft clay bars like the Megs smooth surface kit.
When your ready to clay, fill your wash bucket up with warm/hottish water, split the clay bar into 2 pieces. Place in the warm water and let it warm up abit, when its warm then roll in the palms of your hands for a winute until it becomes plyable. Start claying the car, in and back and forth motion until it because almost effortless to run the clay over the paint.... move onto the next area.
As your claying, ones the piece of clay starts to go cold, then switch round with the other piece thats in the warm water. Clay works best when warm and is less likely to stick to your paint work, so doing this is for good measure and best results.
When your done claying then give it a wash and dry and then atleast use a good wax/LSP so no contaminents stick easily to the paint when you take it out. For best results give it a polish.