Ah, yes. 303 and "The Aunt Jemima Treatment" - when mine was a daily driver, I did it twice a year.

Keep it off the finish of the car, use 1/4 bottle and let it dry, then use 1/4 bottle again and let it dry.

Repeat every six months for a car that sits outside. Repeat every year or two for a garaged car.
Wipe product off glass surfaces using alcohol and paper towel.