It would add to our ability to give advice if you'd tell us the color, model, make, and year of your car. Also the paint condition.
If you are applying to a dark car, you need only apply enought to see it as a slight haze. You will need to rub it, but do so front to rear on the hood, top, and trunk. Apply vertically on the sides of the car. It probably will take longer to dry in a high humidity cool location.
HRP
If you are applying to a dark car, you need only apply enought to see it as a slight haze. You will need to rub it, but do so front to rear on the hood, top, and trunk. Apply vertically on the sides of the car. It probably will take longer to dry in a high humidity cool location.
HRP