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2010 Prius Gen III Key Fob Battery Replacement

Discussion in 'Gen III 2010+ Prius Care, Maintenance and Troubles' started by Dick Ginkowski, Dec 20, 2009.

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  1. Sporin

    Sporin Prius Noob

    Joined:
    Dec 10, 2010
    Messages:
    409
    Likes Received:
    108
    Location:
    Windsor, VT USA
    Your Vehicle Year:
    2010 Prius
    Model:
    II
    Thank you Dick for these instructions!!! Did the first of mine today and it was very easy.



    Thank you for this heads up, it saved me a lot of extra hassle. :)
  2. mrcobra71

    mrcobra71 New Member

    Joined:
    Dec 10, 2013
    Messages:
    8
    Likes Received:
    2
    Your Vehicle Year:
    2010 Prius
    Model:
    III
    Thanks for the tips!
    My key fob looked like it had spent a night in a mud puddle.
    I disassembled it and used cotton swabs and alcohol to clean it up a bit.
    It dried out quickly before reassembly.
    I had better luck inserting the circuit board in the light color rubber then inserting them into the plastic case.

    Attached Files:

  3. MBAustin

    MBAustin Junior Member

    Joined:
    Jun 12, 2010
    Messages:
    3
    Likes Received:
    0
    Location:
    Austin, TX
    Your Vehicle Year:
    2010 Prius
    Model:
    IV
    Thanks again! I occasionally was getting "key not detected" or "low battery" messages and today the doors wouldn't lock unless my purse (with key in it) was right next to the door. Thanks to friendly PriusChat (faster than finding the page in the owner's manual!) it took only 5 minutes to replace the batteries in both remotes. FYI my 2010 Prius IV is 3.5 years old and I was still on the original batteries - and the fob is in my purse near my phone most of the time. Must have had unusually good battery luck!
  4. NutzAboutBolts

    NutzAboutBolts Member

    Joined:
    Mar 5, 2013
    Messages:
    302
    Likes Received:
    92
    Location:
    Bay Area
    Your Vehicle Year:
    2012 Prius
    Model:
    Four
    Or you can watch this under 1 minute and learn it under 1 minute, beats the hassle of reading! hahaha
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