check auxiliary battery

  1. Eric Mendelson
    Thread

    How occasionally monitor 12v battery strength?

    There are several instructions online for checking the operational voltage on Gen 2 & 3 Prius’s 12v (Auxiliary) battery (i.e. testing how strong...
    Thread by: Eric Mendelson, Nov 14, 2022, 12 replies, in forum: Gen 4 Prius Care, Maintenance and Troubleshooting
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