We all seen them, or used them ourselves, those car dash sun protectors.  You know the big NASA looking shade thingy you put in your car's front windshield to protect your dash and keep your car cooler.  Most people use them totally wrong.

One side of most car dash sun protectors have a shinny side and a dull dark side.  Forget the directions that come with most, there's a better way to use them.

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