1. Offline

    CrazyJen Junior Member

    Member Since:
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    Location:
    San Fran Bay Area
    Your Vehicle Year:
    2012 Prius v wagon
    Model:
    Three
    I'm hoping I can get some help from you folks.

    I came downstairs to my Prius v with my kids and our laundry to find a completely dead car. I couldn't open the trunk. Luckily the doors were already unlocked. The power button doesn't work at all. No lights no nothing. It is DEAD. Is it possible the battery discharged and I need a jump? Or is this more serious and I need to get it towed to the dealer?
    Last edited by Paradox, Mar 28, 2013. Reason: lowercase v in thread title, not uppercase
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    Indy John Junior Member

    Member Since:
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    Location:
    Indianapolis
    Your Vehicle Year:
    2010 Prius
    Model:
    Two
    It is almost a certainty that the 12-volt battery is dead.
    A "jump" to the 12-volt terminal in the under-hood fuse box would likely get you started.
    EXTREME caution must be used - positive to positive, negative to nearby bolt in engine compartment.
    BETTER to use a battery charger, 4 amp. max., for several hours first, then start normally.
    Jumping without charging first may get you going, but the battery charging circuit is inadequate to restore the battery to full charge unless you'll be going on a multi-hour trip.
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    xpcman Active Member

    Member Since:
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    Location:
    California - SF Bay area
    Your Vehicle Year:
    2010 Prius
    Model:
    II
    Probably a dead battery.

    You must be very careful when you jump start a Prius. AAA should know how. But, your neighbor probably doesn't. You can fry $1,000+ worth of parts if it's done wrong. You need to keep the Prius in the "Ready" state for an hour or more to get a minimal charge after the jump.

    Good Luck
  4. Offline

    css28 Senior Member

    Member Since:
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    Location:
    Suburban Detroit
    Your Vehicle Year:
    2011 Prius
    Model:
    Three
    The good news is that the 12V battery doesn't do the work of the cranking so you should be able to use wimpy jumper cables.
  5. Offline

    sURFNmADNESS Prii Family

    Member Since:
    Jul 22, 2012
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    Location:
    Omaha, NE
    Your Vehicle Year:
    2012 Prius v wagon
    Model:
    Three
    I have not had my 2012 v do it yet but know my wife killed her 2006 Prius by leaving on the dome light for more than a few hours. I have a battery jump pack for just such times which works well when you follow the instructions for jump starting the Prius.
    Last edited by Paradox, Sep 12, 2013
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    F8L Protecting Habitat & AG Lands

    Member Since:
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    Location:
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    Your Vehicle Year:
    2013 Chevy Volt
    Model:
    N/A
    You can unlock the door manually with the key inside your key fob. The truck can also be opened from inside (read the manual).

    If this happens more than a few times you may want to replace the 12v battery. They don't like being fully discharged multiple times and can cause weird issues and lower mpg if they go mostly bad.

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