Quote:
Originally Posted by MZWIE
Why would you sacrifice a vent for this. Better to place it where the cup holders go.
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Ergonomics of eye-tracking from road, to speedo, to ac vent are less cumbersome than looking down and right into a dark space with a significantly different focal length. Ashtray is another option, but takes more dremeling, needs to be opened manually to view, and doesn't overcome the aforementioned eye strain