Automatically Darkening

Help me understand this..I am not very good in english?
You are in conference with the marketing manager of Sun-2-Shade, and are still in the process of developing a marketing plan. Sun-2-Shade is a company that manufactures automobile windshields that self-darken in the same manner as some eyewear, automatically darkening in the sun, and going back to light in the shade, on a cloudy day or in the evening.
Just before your meeting, you jotted down some other question that you feel need to be answered in order to create an effective marketing plan:
1. What features/attributes of this product customers might consider when purchasing Sun-2-Shade from an auto parts store or an after-market windshield installation and repair company?
2. Are the same things going to be important if the main customers are the auto manufacturers? What additional or different features/attributes might manufacturers consider?
What is these two questions asking me? I am not American. Any ideas?
The first question is asking if you went to the auto parts store and you're looking for a windshield what would be the things you would think about (as far as how good each windshield is) before buying it.
The second question is asking what the companies who make the cars are thinking about before buying. (Like would it make the car value go up, that would probably be your main point in number two)
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