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Interior window button light....

Discussion in 'Gen 3 Prius Main Forum' started by JPChen, Sep 5, 2009.

  1. JPChen

    JPChen New Member

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    Location:
    Richmond, Virginia
    Vehicle:
    2010 Prius
    Model:
    IV
    Only my driver side window button light illuminates. All the other buttons do not illuminate (at night). Does anyone else seem to be having the same problem? Is it one of those "Prius" things?

    Thanks in advance!
     
    #1 JPChen, Sep 5, 2009
  2. DeanFL

    DeanFL 2010 owner - 1st Prius

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    Location:
    Leesburg Florida USA
    Vehicle:
    2010 Prius
    Model:
    V
    All 4 power window switches on the driver's door have the small green light (with parking or headlights on). The power door lock switch on the driver's door also has a small light. Each of the other 3 doors - the power window switch has lights. I have a V but shouldn't be different on other models I'd guess.
     
    #2 DeanFL, Sep 5, 2009
  3. JPChen

    JPChen New Member

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    Location:
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    Vehicle:
    2010 Prius
    Model:
    IV
    OK, so I found out what was causing the problem....
    So when the window lock is activated, only the driver side window switch illuminates. Once the lock is deactivated, then all the lights come on. Makes sense, but it's one of those "Prius quirks". Maybe I'll add this to the obscure Prius facts.
     
    #3 JPChen, Sep 5, 2009
  4. DeanFL

    DeanFL 2010 owner - 1st Prius

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    Location:
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    Vehicle:
    2010 Prius
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    V
    I was going to check that out - but lazy and didn't go out to the garage again. That said, seems to be some Toyota engineering brains and extra software/circuitry for perhaps:

    1. So passengers can't see their window switch at night, and even though it's locked out, won't operate the window. This way they won't be tempted to try it out.

    2. To allow someone here on PC to list this on Most Obscure GIII Facts thread.

    3. Save .00021 amps of power - to not illuminate those locked-out switches.

    3a. To allow someone to be sarcastic about this feature...
     
    #4 DeanFL, Sep 5, 2009
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