WD-40 on a soft rag.
tar makes your lungs go bad
tar provents black stuff on you lungs
they kept his body in tar to keep the mummified body well fresh
moves round the body
mineral spirits will do it you can get tar remover at an auto accessories store
tar bar car
A good bug and tar remover should work fine Vegetable oil or WD40 work just fine for removing adhesives.
Car Tar Hard Star
Turtle Wax makes a special tar removal product.
Gives you superpowers
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There are "bug and tar" removers in the car cleaning isle of the department stores. This will work to remove sap also. These will strip the wax off your car also, so it is a good idea to wax afterwards.