HOW TO REMOVE ROAD TAR FROM CARS Dear Readers: To remove road tar from your vehicles, purchase an oil-based, prewash spray made specifically for the surfaces of automobiles. Spritz this onto the tar spots and let it work for several minutes. Then scrub with a plastic scrubber. Rinse completely and buff the areas with a microfiber cloth. — Heloise KIDS AT PLAY Dear Heloise: I have a round lawn sprinkler that shoots water straight up in the air. Last year, I bought a child’s wading pool that was big enough for two small children and filled it with water. Then I placed the round water sprinkler …