Prius (2004-09) :: How To Get Dead 12V Battery Out Of The Rear Hatch Of The Car
Nov 14, 2015
Problem: I left a dome light while in the airport parking lot when I went on week long trip. When I returned the 12V battery was dead.
Question: How do you get to the 12v battery in the rear of the car? Rear hatch will not open without power.Using the key to get in the drivers door, I had to get someone to crawl over the back seat and connect cables to jump start the car.
What am I missing? Is there a better way to jump start the car? Is there another way to open the rear hatch without the 12v battery power?
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My touareg was towed to the dealership a couple of weeks ago for a dead battery again. 11 days later my dealership fixed it along with a list of other problems
My VW dealership's staff handled everything every well. The service manager was both professional and caring, however I did have to bring it back 2 more times due to items left in disaray by the techs.
Anyways, back to the fix....They said it was due to a bad "rear hatch micro switch" Now I've read a lot of about the dead battery issue on this forum & I have never seen anything about the micro switch. Could it be true...did VW really figured it out Or am I just dreaming.
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Will it drain the battery to leave the rear hatch open for extended time? i.e. for tailgating or camping (2008 Prius)
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My wife's 2010 RX350 wouldn't start this morning. My guess is that the battery drained overnight with the back door ajar. After getting it started with a battery jump the rear hatch would not open by hand, the dash button or the key button. After driving and charging the battery the hatch would open. I'd this to be expected or an indication that perhaps the hatch has a fault?
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I tried to open my rear hatch yesterday, and it was a bit sticky. I think the plastic was just weak (cold & uv exposure?)
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Rear hatch will not close securely. It is "loose" and balks at being fully latched.
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Ran out of gas. Continued driving car til it stopped.
Filled car with two gallons. No however, the car won't start. First push of on button will turn console on, but can't boot up car with second push. Battery shows one bar. Tried jumping/charging with a friend's car, but didn't make a difference.
Is there a way to solve the problem without taking it to the dealer?
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A little back story my hybrid battery went out about 4 months ago ago and I've been saving money to get it fixed. I've been trying to remember to start it and get it moving every so often. Well I guess I didn't do it enough because go to drive the Prius yesterday to get it started and moved since it's been awhile and the main battery is dead. The way the Prius is parked I can't even get to it to jump it. I'm wondering is there a way to put it in neutral with a dead battery? Or is there a way to charge the battery, since it's actually inside the car? And I'm assuming since the 12V is drained, I'll have to replace that as well correct?
I'm about over this car, while it done great the first 7 years I had it, past two have been a royal pain. Ready to go back to a normal engine and car.
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My 2006, with original 12V battery, finally failed to start. It was stone dead. I've been expecting this for awhile, given the age of the battery, but so far it has exhibited no warning symptoms. It was just stone dead in the garage, having not been used for five days.
I used my jump box, which I keep in the back of the Prius. Everything fired up without a hitch, other than the alarm going off when I applied power (rather loud with my head under the hood.)
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The rear spoiler on my 2005 has always had a bit of "flex" to it and I've always been careful not to use it to open or close the hatch. Unfortunately, I can't be sure that others not do that as it really is the place someone would think to grab to close the hatch.
Anyway, the other day I noticed that the spoiler had picked up a nasty rattle whenever the hatch was closed. Looking from the outside in I saw that there appeared to be two plastic fasteners (one on each end) that held the spoiler in place. If I pressed down on one side the other side popped up and vice versa. I was able to get the spoiler back to where it originally was (loose but no real rattle).
The car has never been in an accident and the spoiler doesn't appear to be bent in anyway...it just seems as if the fasteners aren't holding it down as tightly as they should. Is this the norm? Should I replace the fasteners and any instructions on how to do it?
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I went to open the hatch this afternoon to see if my new painting would fit so I could take it to the frame shop, and the hatch would not open. Nor would the door-unlock button work. The fob wouldn't open it either. Then I realized no dash lights were on, and the car would not start. I thought there was supposed to be a way to open the hatch from the inside, but I crawled into the back and could not find it.
So the 12-v battery was dead.
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I have a 2007 Prius Package Six. I went away on vacation over Christmas and when I got back the battery was dead and the car wouldn't start. No problem as I was easily able to jumpstart it with a portable battery jumpstarter. However I kept having the same problem as apparently the battery wasn't maintaining a charge. So obviously my battery is kaput and needs replacing. I've watched the videos and plan on replacing it myself.
However when I went out this morning to jumpstart the car it wouldn't jumpstart at all. When I hook up my battery jumpstarter nothing happens. Nothing lights up. The car won't start. Even if my 12v battery is completely dead and cannot maintain a charge, shouldn't I still be able to get the car started with a jumpstart? I realize that as soon as I turn it off I will have to jumpstart again. But I can't figure out why a jumpstart won't even get the car fired up.Am I missing something?
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2007 Prius with 88K miles.
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If this has been posted before feel free to remove. I searched everywhere and didn't see exactly what I experienced with our Prius when the 12v battery was in it's final stages of death so I wanted to share.
Below issues all occurred within a one week time period 3-7-16 to 3-14-16. 2005 Prius with 145k miles, replaced traction battery on 7-30-15 / 127k miles.
First occurrence - happened a few seconds after starting and driving the vehicle. The ABS light came on and the power steering faded out and then came back, just briefly, and the car did not die. Turned the car off and back on again and all was well.
I performed the 12v battery test by entering maintenance mode. (hold the display button and turn the lights on/off three times, vehicle signal check, battery check) the battery was reading 11.9volts with the car off, I drove the car and it was charging at around 14.7volts and then was reading 12.2 with the car off after driving it. Which at the time seemed a little weak but nothing that was a red flag. I've read that you're supposed to replace the 12 volt battery every 4 years but I swear the one I removed looked stock.
Second time - again happened just a few seconds after starting the car and driving. ABS light came on, red triangle of death light, brake light, power steering was gone, and the power steering light came on, the car did not die. Restart fixed the issues again.
Third time - Happened about 30 minutes in to the trip while the wife was driving on the interstate around 75mph, wipers were on due to rain but visibly lost power, radio came on and off, all the lights on the dash (warning lights included) flickered on and off, power steering was gone, car died completely and would not restart. Tow driver had to boost the battery long enough to put the car in neutral so we could load it on to the tow truck. When we got the car home the battery was completely dead again.
I ordered an Optima Battery 8171-767 (DS46B24R) YellowTop Prius Battery from Amazon which appears to be a direct replacement, and simple to install. I drove the car for a few miles, returned to the house, performed battery test again via maintenance mode and the battery was charging at 14.0 and reading 12.5 when off. I can't be certain but I think the battery check feature may be displaying false information if the battery has dead cells and the car is trying to charge the battery? I took the old battery to Advanced Auto Parts and had them run a diagnostic check and the tester stated that the battery had dead cells and needed to be replaced. I gave them the old battery even though I didn't buy the new one from them and got a 10.00 store credit, unexpected and nice.
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Hearing a slight clunk noise inside the back of thier gen 2? I've taken apart all the paneling used foam tape to secure things and took apart the spare tire area etc and the clunk persists. It seems to vary intensity every time I close the rear hatch.
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Have replaced dead cells on wife's HV battery over a month ago. Threw this P0a80 code today and will barely move. She idles into dealership and they say it's the battery, really!
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About 1500 miles ago, I replaced a cell in the battery pack. Now the triangle of dead is back and the code is "replace battery pack" again.
I tested all the cells and here are the results.
(the previous one I replaced was 4.5 volts, very low and easy to find)
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I went out in the 9 degree temp this morning to start my car and take off for work. I sat down and hit the power button and some console lights came on. The gear lights were blinking with a square light around each letter (P, D, R, B...) and the pips on the fuel gauge were blinking, beeping during each blink. Also, the green light on the power button was blinking and the little light showing that the key was not in the car was also on but the key was beside me. I turned it off to try it again.
Before I turned it back on, I inserted the key in the slot and hit the power button again and just the Check Engine light came on and everything else was black. There was a slow tempo click-click-click-click... sound coming from under the hood and the Check Engine light was just sitting there. I tried to turn the car off but the power button was not doing anything. All I could do is let the Check Engine light stay on and the click-click-click-click... sound chirp away. I went back out in a couple hours and the battery was dead.
Just seeing if that might mean something specific before I go drop about $200 on a new 12v battery later today.
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Yesterday when I pulled in my garage, my 2007 Prius starting locking over and over by itself- it was freaking me out.
In doing some internet research and on here, I realized that my unlock key was “stuck†and could not be pushed in, and I assume this is what was causing the automatic unlocking. I have played around with it, but so far I have not been able to open it up or pop it back in place as some have been able to do.
A couple of questions:
I think this has caused the battery to die on my FOB, because none of the buttons work now, and the red light doesn't flash when a button is pushed. But, the smart key system still works, the doors unlock when I touch the handle, and I can drive the car. Will that continue to work with a dead battery in the key FOB??
What bugs me about this is I NEVER use the buttons on the FOB- always use the smart entry, etc, so I know I didn't do anything to cause the unlock button to stop working...
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The prius stock battery is weak compared to my wifes Mercury Mariner battery. The Mariner acceleration on battery alone is excellent - she can get up to 30 mph in no time on just the battery. In my prius it has very slow acceleration at a dead stop while running only on battery. Is it possible to buy aftermarket (stronger) batteries for the prius so I can at least driver the car up to 30 mph only on battery?
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I have had my '08 Prius for 3 years and have little to no problems with it. This morning I jumped in to go to work and the entire dash lit up and then faded out and died. The only lights still on is the check engine light, Airbag light and the little green light on the Park button. The worst part is now I can not completely shut it down. I am wondering if it is just a dead battery or if this is something bigger. If it is a dead battery I am baffled at how it could be. I have AAA coming to jump it and I hope that is all it is. Sound familiar?
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