How To Change A Battery In A Prius

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AmoreHL: I'm confused. This (and other videos) look like you are working on a 12-volt, auxiliary battery in the back of the car. I have a 2007 Prius and mine is in the front of the car. Could you explain? (Apparently my battery is going dead)

Graham Davies: I suppose it didn't occur to you that there are more than one model year of Prius and to tell us which one you're working on.

Victor Damian: thanks man

Kenj Miranda: thanks for the prompt reply. did you have to hook up a line output converter too?

Kenj Miranda: hi. are those red and silver wires for an amp?

Cldfsn0200: Thanks bro!

Rick Silberman: Thanks. Helpful, but instead of saying "this bolt here." Or "that cover there." it would be helpful if you could point with a screwdriver.

Jiten Arora: Awesome !! :)

Jonathan Warner: Is the aux battery the same as the starter battery?

buyandby: I just got my 2009 back from having this replaced. $365 US, and it fixed tons of problems that I have been complaining to Toyota with no response other than we can't do anything about it. 

First off, my car was sort of Deiseling out, when it the ICE (Internal Combustion Engine) was not supposed to be in use (Stopped, going down hill, batteries all charged up in the green, and no A/C on) and yet we never got better than 40.6 mpg because of this problemwith the 12V battery since day one. Toyota service people make you feel so small and yet I was right all along as soon as the battery was replaced, it operatesperfect. The ICE stops without dieseling out, or continuing to run when it shouldn't, and I get over 45.4 mpg now for the first time. TOYOTA YOU SHOULD ALL BE ASHAMED OF YOUR SELVES!!!!! SERIOUSLY YOU SUCK!!! 5 years wasted you arrogant bastards.

Mark Bauman: Thanks for the info. Could not have done it without it! NEVER would have found that last screw holding the vent tube. Not as bad as changing the driver-side headlight, but close.

Steven Wise: Very helpful. Battery cost me $175 at an oreillys in chicago, but maybe I've saved that in gas. Probably not. 

Gary Browne: Ryan,
Sure appreciate that you took the time to do your video and help others like myself! I changed my wife's 2009 battery.  Best regards.  Gary Browne

Rex Takasugi: Very useful video!  Without your video, I think I would have just taken it to the dealership as it looked kind of complicated with all the electronics and air vent tube to remove.  Thanks!

Bill Furlong: Just encountered needing a new battery as well. Thank you for making this really easy to understand. I too will save dealership money and do it myself, thanks to you!

Linda A. Noble: Thank you! I will call the dealer now and order it and cancel my appointment at the same time :) I'll let you know how I do.

Ryan Bailey: Glad I could help! Best of luck to you.

Ryan Bailey: Honestly, I would just go with an OEM Toyota Battery. Just contact a dealer and they will order you one. There are some aftermarket batteries you can retrofit. It wasn't worth the time for me to mess with though.

Linda A. Noble: What source would you recommend for purchasing the battery? Any particular things to look for or avoid? I'd like to try to do this myself too. Thanks!

Price Taylor: Thanks, our 12v battery on on 2004 (purchased Oct. 2003) battery has just croaked. Since I will save at least $200, I'm grateful for you're posting of this video.
How to change a Battery in a Prius 5 out of 5

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How to change a Battery in a Prius