12v Battery Health Check - 2010 Gen III w/o Nav?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Dan0, Mar 21, 2021.

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  1. Dan0

    Dan0 Junior Member

    Joined:
    Feb 5, 2011
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    Location:
    TN
    Vehicle:
    2010 Prius
    Model:
    III
    Looking for a good way to check the 12v Battery Health...
    I can check it with a meter but I know on some models you can check it from the dashboard.
    Is there a way to do that in our model that doesn't have the Nav screen?
    (also, is there a way to turn off the backup beeper?)
    Thanks
     
  2. Mendel Leisk

    Mendel Leisk Senior Member

    Joined:
    Oct 17, 2010
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    Location:
    Greater Vancouver, British Columbia, Canada
    Vehicle:
    2010 Prius
    Model:
    Touring
    Battery retailers will usually load test for free, using up-to-date electronic devices. Dealerships will too, but likely NOT for free. You can DIY with something like Solar BA9.

    Dr Prius app is one that can turn off reverse beep, well reduce to one. My 2 cents: leave it, might save your bacon some time.
     
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  3. sam spade 2

    sam spade 2 Senior Member

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    Location:
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    Vehicle:
    2017 Prius c
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    Four
    The supposed built-in "battery check" is worse than useless because it often is misleading.

    Method 1 for checking:
    If it is over 5 years old, start shopping for a new one.

    Method 2: Visit a dealer, auto parts store or battery shop and ask them to do the test two or three times.

    Loose battery cables can cause symptoms that look like a failing battery too.
     
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