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Foggy windows - observation

Discussion in 'Newbie Forum' started by zeke, Dec 16, 2009.

  1. zeke

    zeke New Member

    Joined:
    Nov 11, 2009
    28
    0
    3
    Location:
    NW PA
    Vehicle:
    2010 Prius
    Model:
    III
    I have always used recirculation in the winter to avoid heating up the outside cold air. On my 2010 I noticed windows fogging up constantly in cold weather until I switched to outside air and the problem was 90% resolved. Could the Prius have a too efficient recirculation option?
     
    #1 zeke, Dec 16, 2009
  2. chrisj428

    chrisj428 Active Member

    Joined:
    Sep 24, 2009
    680
    144
    35
    Location:
    Vernon Hills, IL
    Vehicle:
    Other Hybrid
    Model:
    Plug-in Advanced
    Zeke,

    You will find multiple cautions in the Owner's Manual against this. Recirc should be used sparingly, especially when it's cold outside, as it will contribute to excessive humidity inside the vehicle, causing the problem you're experiencing. You'll notice that Recirc is not an available option when defrost is selected for this very reason.
     
    #2 chrisj428, Dec 17, 2009
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