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Battery replacement Smart Key

Discussion in 'Gen 2 Prius Audio and Electronics' started by warrior, Jun 26, 2009.

  1. warrior

    warrior New Member

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    What are the indications that the battery in the smart key needs replacing? 2 yrs now.
     
  2. qbee42

    qbee42 My other car is a boat

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    Limited range, erratic operation.

    Tom
     
  3. john1701a

    john1701a Prius Guru

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    If the little red light (on the FOB itself) doesn't illuminate brightly or at all when you push the button, it's time.

    Photos and the change procedure are documented in the User-Guide.
    .
     
  4. alanh

    alanh Active Member

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    Another clue is the car beeping at you for no apparent reason. It beeps when it's on and loses contact with the fob.
     
  5. whodat

    whodat Member

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    Yep, my 06 Prius smart key stopped working. Replaced battery and now it works.
    The spare smart key little red LED comes on when I used the key, so I replaced the battery on the spare smart key as well.

    Thanks for the smart key assembly instructions Prius Chat!