Exterior paint decontamination

[frog7151]

First post here. My truck and wife's car partially sit under an oak tree and sometimes get well water on them if the wind is blowing just right. What is the best way to decontaminate the paint of tree droppings and well water residue?
Thanks

[Buster906]

Depending on the amount of Sap, hand sanitizer will soften the Sap. Clay might remove the water spots. A daul action polisher will definitely help with the water spots. There are polishes made to remove water spots.

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[Bosko]

Like Buster906 says....try hand sanitizer(isopropyl alcohol base)

Acetone or WD-40 is worth a try as well...start in a small spot with a cotton ball to test first