The British Empire surrenders to its rebellious colonies. October 19, 1781. America declared its independence in 1776, but it took another five years to win freedom from the British. That day came on October 19, 1781, when the British General Charles Cornwallis surrendered his troops in Yorktown, Virginia.
In fact, automatic car washes can be safer for your car's finish than washing your car yourself because do-it-yourselfers sometimes don't use enough water to safely remove dirt; or they wash the car in direct sunlight -- which can burn spots in the paint.
A: Simply wash your car with a good wash and towel dry it. Once it is dry give it the feel test simply glide your hand gently across the paint. If you hear a rough scratching sound or you can feel your hand gripping against a rough paint surface it may be contaminated.