Maybe a total of now 3 times it's randomly been dead. I don't understand since I've then replaced the 12v battery as of three months ago. Family suggests I could be leaving a light on or the panic button is being pressed (it doesn't make sound). Does anyone have any suggestions or ideas? Posted via the PriusChat mobile app.
Here’s a place to start. Just remember a Prius does not have an alternator. If you can’t find the drain by removing fuses it’s not going to be the alternator.