Keeping Car Cool in Summer

Hi /r/cars, I know nothing and was getting my 06 Altima detailed today. He said cleaning the vinyl would help with the heat (all black leather interior feels great), but I think I was just being fooled with my lack of car knowledge.

Does cleaning the vinyl reduce heat when parked out in the sun? What else (outside window shades, tinting) helps reduce heat?

submitted by /u/taylorjlundgren
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