Dots on upper wind shield

Discussion in 'Gen 1 Prius Plug-in 2012-2015' started by The Craw, Oct 2, 2012.

  1. The Craw

    The Craw New Member

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    Why are there dots in the inside surface of the upper wind shield?
    I am considering sticking a FasTrak® transponder up against the inner wind shield behind the rear view mirror and wonder if there would be any problem due to the dots.
     
  2. rockfeller

    rockfeller Junior Member

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    To me it looks like sunshade like dots, which help create some sort of shadow.
     
  3. Paradox

    Paradox Prius Enthusiast / Moderator
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    You can stick the transponder over them, I've been doing that with my ez pass for many years now, no problem.
     
  4. Jason dinAlt

    Jason dinAlt Member

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    1. It is a free "Count the Dots" game. Caution: play only at stop lights.
    2. It is a device to reduce driving under the influence - if you can no longer see the dots, you should not start the car.
    3. It is part of the SETI project. All of the dots when put together form a massive antenna to seek intelligence. If you registered your car properly, you should begin getting emails telling you the direction in which to park your car.
    4. They tell you it is part of the SETI project, but it's really a secret government program researching mind control.
     
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  5. CharlesH

    CharlesH CA HOV Decal #5 on former PiP

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    If you are in California, I think the only legal positions for the FasTrak is in the lower left or lower right corners of the windshield.
     
  6. 9G-man

    9G-man Senior Member

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    My PeachPass HOT lane transponder works fine behind the "dots" sunshade
     
  7. The Craw

    The Craw New Member

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    Bottom left link "FasTrak Mounting Instructions":
    Metro ExpressLanes

    States that you can mount 1.5" from top of wind shield in center behind rear view mirror. Mounting in bottom corners makes for a long forward stretch to set the switch for number of car occupants.
     
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  8. CharlesH

    CharlesH CA HOV Decal #5 on former PiP

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    I stand corrected. It's the bottom left or right or behind the rear-view mirror.
     
  9. bfd

    bfd Plug-In Perpetuator

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    Sunstrips don't adhere well to those dots - something to think about if you're considering a mini-tint across the top 6"…
     
  10. devprius

    devprius /dev/geek

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    I went with the "directly behind the rear-view mirror" option.
     
  11. rjrose

    rjrose Junior Member

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    I am late to this discussion, but I put my switchable transponder (for the LA toll lanes) in the center of the windshield just below the dots, behind the rearview mirror. The transponder is obscured from my direct view, and seems to be working just fine. I have a Pilkington replacement windshield.
     
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