White defect on taillights?

Discussion in 'Gen 4 Prius Care, Maintenance and Troubleshooting' started by Elt31987, Nov 9, 2021.

  1. Elt31987

    Elt31987 Active Member

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    Anyone noticed something similar on their tail lights? What's strange is its on the inside of the light. And there's no cracks or damage to the lights. The lights never get moisture in them after rain etc. This is the worse of the 2 lights. The other still has some of this white stuff in it though.
    PXL_20211104_210048740.MP.jpg PXL_20211104_210055626.MP.jpg PXL_20211104_210103087.MP.jpg
     
  2. Elt31987

    Elt31987 Active Member

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  3. jerrymildred

    jerrymildred Senior Member

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    My guess would be water spots. Looks like a crack or a seam might be the problem.
    I noticed it first here, but then saw it on the 1st picture, too. My wife is out right now with her 2017, so I can't compare.
    214685_PXL_20211104_210103087.MP.jpg
     
  4. Elt31987

    Elt31987 Active Member

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    That is a seam that runs the entire length. Id normally suspect a crack, but to happen to ALL 4 tail lights and to be as white as paint? Very strange indeed.
     
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  5. jerrymildred

    jerrymildred Senior Member

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    Strange indeed. I looked just now at my wife's tail lights and I see the seam. She has a slight watermark at the bottom left corner of the left upper light.
     
  6. Elt31987

    Elt31987 Active Member

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    Yeah i always had a very slight something, but then one day its full blown white paint looking. After seeing used tail lights on ebay with the same issue its obviously a more widespread issue than just me. Oh well, sees got over 100K on her so the lights will stay. Before covid you could get a new light for about 50 bucks but now theyre 100 so ill live with it
     
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