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Chris (aka-Moose)
Chris (aka-Moose), Auto Technician
Category: Toyota
Satisfied Customers: 887
Experience:  16 years of experience
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Toyota prius: 2007 prius all lights are off on dash and does

Customer Question

2007 prius all lights are off on dash and does not want to turn off problem intermittent what I mean engine does not want to shut off when you turn it off
Submitted: 1 year ago.
Category: Toyota
Expert:  Ted Ritter replied 1 year ago.
Hello, thanks for posting this is usually a problem with the 12 volt auxiliary battery voltage going to low, it most likely needs to be replaced and will not recharge from the hybrid system. The system goes into a fail safe mode when the 12 volt battery dies so it can be driven off the main battery. Please tell your daughter to have the 12 volt battery replaced, it is located in the trunk on the right side in the fender well.