3d 12 volt battery replacement in 6 months - Toyota Prius Forum : Prius Online Toyota Forums
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post #1 of 2 (permalink) Old 01-07-2015, 09:58 AM Thread Starter
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Default 3d 12 volt battery replacement in 6 months

I have a 2006 Prius hybrid-all was great till July 2014, when, without warning, the car wouldn't turn off and all warning lights and warning buzzers came on-had to call roadside assistance-was able to drive to dealership where they replace 12 volt battery. All did well till early December when it did the same thing-took it back to same dealership and they replace the same 12 volt battery and tried to charge about $400.00 for it. I reminded them of recent service and they reluctantly rethought charging me. The first week of January THE SAME THING HAPPENED AGAIN!!!! I brought it into the same dealership who told me they "had never heard of anything like this happening" it was "highly unusual"-yet it has happened to me 3 times in 6 months and there were 2 other customers in the waiting room explaining THE SAME SYMPTOMS my car had (both ladies owned Toyota hybrids) I NEVER leave anything plugged into car, never leave lights on or doors open-I have checked to make sure no lights after car is shut off-the dealership has had my car 2 days now and cannot figure out what is wrong.....HELP?!?!?!
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post #2 of 2 (permalink) Old 01-18-2015, 09:17 PM
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Possibly one of the pumps or other things that need to run while the car is powered off are running too often and draining the battery. Or you may have a light that is not turning off. Sounds like some extra drain while the car is off.

Listen for something turning on or off often when the car is powered down.
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