Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: How to clean car windows?
Spray some windex on the windows and leave it for a few hours, then when you enter the car again run the windscreen wipers
Wash with soapy water, then use a squeegee or cloth to dry.