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Flashing lights then dead battery

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Greenbani, Nov 21, 2016.

  1. Greenbani

    Greenbani New Member

    Joined:
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    Vehicle:
    2005 Prius
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    When my partner went into the lot to start my 2005 Prius all the lights on the dash started flashing, then the battery died completely. A moment earlier he was able to open the trunk without issue and had driven it to that lot about an hour beforehand. The battery has been dead before after the lights were left on, but they weren't on this time. We have a charger we're going to bring to the lot tomorrow to try jumping it. Any ideas on what's wrong? We just got this car used a few months ago. This is the first really cold night we've taken it out, in case that's relevant.
     
    #1 Greenbani, Nov 21, 2016
  2. bisco

    bisco cookie crumbler

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    welcome! it might be time for a new battery. do you know how old it is? yes, cold does adversely affect the battery.
     
    #2 bisco, Nov 21, 2016
  3. 69shovlhed

    69shovlhed Surly tree hugger

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    if its the original battery, its just overdue for replacement. I would check the fuses if the battery is new.
     
    #3 69shovlhed, Nov 21, 2016
  4. fuzzy1

    fuzzy1 Senior Member

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    Note that the previous replies are referring to the little 12V battery, not the big expensive [traction | high voltage | hybrid] battery.
     
    #4 fuzzy1, Nov 21, 2016
    Greenbani and valde3 like this.
  5. Greenbani

    Greenbani New Member

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    2005 Prius
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    Thank you! I don't know how old the battery is, but I will try replacing it and hope that solves it.
     
    #5 Greenbani, Nov 22, 2016
    bisco likes this.
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