Prius (2004-09) :: Can't Engage Accessory Mode
Mar 17, 2012
I've had my 2009 Prius II for about a year now and I have NEVER been able to turn on the accessory mode. I followed the manual and put the smart key in the slot and pushed the power button while keeping my foot off of the brake pedal but I get NO RESPONSE. I tried holding the power button down, pushing it just once, and pushing it repeatedly. I've successfully engaged accessory mode on a similar interface before (on a hybrid Highlander) with no problem.
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I bought a used 2009 Prius. Somehow it refuses to go into accessory mode. I press the power button without stepping on the brake pedal and nothing happens. I wonder if this symptom is related to the fact that this car is supposedly equipped with SKS (fob has silver logo and there is a black square on driver door outside handle) but the smart key functionality does not work? (The car came with only one key fob.)
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New owner of a used 2010 here, and I cannot get the car into accessory mode. It should be simple, press the power button without your foot on the brake, right? but no... it just doesn't do anything.
But here's the thing - the car is a former rental (Zipcar), and I wonder if they somehow disabled accessory mode to avoid dead-battery issues?
The other (less appealing) possibility is that they broke it accidentally somehow while wiring up their magical gizmo that allowed Zipcard holders into the car with no key... but that doesn't make as much sense to me.
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How long should 12V battery last in accessory mode?
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So I wanted to play with the nav system (specifically figure out how to make it find POI along my route... why it can't tell me the compass direction along with the distance to the 17 different McDonalds is beyond me) and when I turned the car on in accessory mode (not depressing the pedal) it shut off after two mins. I tried both "levels" of accessory mode and the behavior was the same. The car was plugged in and actively charging. What am I doing wrong?
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Hard to put it all in a title. I have 149K miles on our 2009. The warranty expires in 1000 miles. I've noticed recently that I can no longer engage the ev mode with the ev mod. I always get a "cannot change into eve mode" message on the MFD. It used to be that I could do it before the engine started or after all warm up cycles were complete.
Now, when first powering on, ev mode won't engage before engine start and there is no MFD message. After warm up is complete, the message appears on the MFD whenever I try to change to EV mode.
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I have noticed that my 2008 Prius does not always engage EV mode (after I push the EV button) when the battery is green (nearly fully charged) and speed is well below 45 km/hr. Message displayed is "switching to EV mode is invalid now". So it seems there are factors at play other than the speed and the level of traction battery charge.
What these are? Is battery temperature monitored? Will the operation of the air conditioner affect it? Most times it doesn't but I wonder if under certain circumstances it might.
I use it at times if I am going up a slow speed incline, often from a standing start, knowing that there will be plenty of opportunity to recharge shortly after.
Weather here is pretty warm- around 30C maximum during the day.
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Twice this week my 2008 Elantra turned off while it was in accessory mode.
I was listening to the radio as I've done everyday with no problem then the car shuts down.
I thought each time battery died but then it starts up a few hours later with no problem??
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On a 2011 RX450h, is it possible to disable the door chime when the drivers door is opened but the car is in accessory mode (i.e. not running)?
Since I just got the RX I've been playing a lot with the settings and audio presets. With the drivers door open the chime just continues forever and I cannot find any option to turn off the chime when in accessory mode.
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I have a question about turning the car into accessory mode when I shut the car off from running. Right now, when I push the button and shut it off, everything shuts off including the radio. But I want the radio to stay on when that happens. I couldn't find any settings on this and it seems really foolish that it would be designed that way.
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I parked my 2011 Sonata yesterday and turned it off.
This morning, I tried turning the car on, but there is no ignition. I can put in the key, turn it to accessory mode (the dash lights up), but once I turn the key further to ignition nothing happens (no noise). I don't think I have a dead battery.
My brother had this problem once before. It has something to do with the fact that the gear is not in 'P'. He managed to start it after he called roadside assistance, but I don't know what he did. The gear is currently at 'P'. I was supposed to go and get my range switch replaced today to fix this but I can't get it out of the driveway.
What I need to do to get it to start?
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I know it is possible to go to "Accessory" mode without starting the engine. However, is there a way to stop the engine but stay in "Accessory" mode?
I started copying music from the SD card to the HDD. When I got to my destination, it copied maybe 150 of 200 songs. It would have been nice if I was able to stop the engine without disrupting power to the accessories and let it finish copying instead of having to start over again or having to leave the engine running.
Apparently, you can do it with a quick "tap" on a Nissan system. Is this possible with KESSY?
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Have a 2014 Prius III. Was getting 50-60 mpg until i took it in for the 5k mile service. Immediately afterwards the mpg dropped to 43-50 mpg. It seems when the car is cold, it will start in EV mode for a few seconds and then the engine will kick in and it will not enter EV mode for the first few miles even with the battery 80% charged, driving under 20 mph, a/c off and keeping the Hybrid system indicator in what should be the EV range.
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Maintenance Mode is useful for running the engine continuously without it shutting off, such as when you do a coolant drain and fill and want to purge air out of the cooling system. This thread was created to clarify the procedure for engaging Maintenance Mode on the G3 Prius after attempting to do it according to the Prius service manual and finding that the manual does not clearly describe or include all the required steps.
Perform the follows steps in less than 60 seconds to engage Maintenance Mode for the G3 Prius.
Begin with the car and all accessories turned off.
Set the parking brake.
With the car in Park, and your foot off the brake pedal, turn the Power Switch "On" by pressing it twice.
With the car in Park, and your foot off the brake pedal, fully depress the accelerator twice.
Step on the brake pedal and use the shift lever to shift from Park to Neutral.
With the car in Neutral, and your foot off the brake pedal, fully depress the accelerator twice.
Step on the brake pedal and press the Park switch/button to shift from Neutral to Park.
With the car in Park, and your foot off the brake pedal, fully depress the accelerator twice.
Check that "Maintenance Mode" is displayed in the multi-information display.
Step on the brake pedal and then press the Power Switch to start the engine.
Important: DO NOT drive the car in maintenance mode to avoid damage to the transaxle.
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Just recently I"ve noticed my Pri-v is taking longer, and not as often switching to EV. All these observations are after the car has been fully warmed up and driven for several miles with a sufficient battery charge. Previously it would always switch to EV at 43mph when letting off the accelerator.......and I could keep it going usually till about 45.... A quick let of the accelerator would almost always accomplish this. Recently it has not been consistent...a few times not even shutting off when the car is stopped. The car has about 88,000 on the odometer. I've always noticed when it does go from ICE to EV, the transition is not a smooth too. That I"m guessing is the transmission fluid?
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After clearing my 2013 Avalon today, which took about 2 hours to complete, I attempted to start the car and it would/will not turn over. I waited a bit and attempted again, same result. The battery appears to be fine, all the lights and the console are working, power windows, etc. The heads up display had this message: "Check Charging System" I have check the owners manual and read something about the car being in Accessory mode. Another item referred to the fuel system being disable. None of these examples make sense.
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I am having problems with the car disengaging from park even with the brake depressed, so I decide to remove the shifter cover and will doing that i lost/broke the cover strip and magnets so now my tiptronic will not engage. Where I can get them from and what could cause the shifter to lock up in park. It releases after a while but you have to depress and release the brake pedal and pull on the shifter at the same time.
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Is there a way to auto engage the Tow/Haul mode when you plug in a trailer that requires brakes? Be nice since I sometimes forget to push the button after we stopped for lunch...
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I own two Prius, the 2005 & 2007. Been driving and repairing both of them for years
My 2007 has the red triangle for the "P" park won't engage issue. No issues at all just the dam message keeps popping up when I come to a stop and of course the constant red triangle. I drive it 60 miles everyday in the snow, rain and wind with this issue.
Still researching the issue and one day I'm sure I will resolve it but until then I'm not worried. BTW its 100% not a battery issue, been down that road.
My question is about the emission test. I don't and never had a CEL on or any codes although I do know there could be some deeper Toyota codes that I can't pull with a traditional OTC scanner. With that said, given that I don't have a CEL on, will the red triangle cause for me to fail the emission test when they run the test?
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When I plug my iPhone into the USB port sometimes a message pops up that says "The accessory uses too much power and will be turned off" Then a few seconds later my phone will stop charging, but then within a matter of seconds it will charge again and go on and off like this each time giving me the error message.
2012 C- Three
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I have taken my 2004 Pruis into the Toyota dealership and have been told that there is nothing wrong with my car and it is safe to drive. Here is what is happening.
Sometimes when I start my car and put the car into gear, which you are not supposed to be able to do without your foot on the brake, the car will start rolling before I take my foot off of the brake. I am on level ground when this happens, and I am positive I have my foot firmly on the brake. My first inclination is to push harder on the brake, which does nothing. If I take my foot off of the brake and then reapply it, then the brakes will work and the car will stop.
After this happened a few times, I started paying more careful attention. Whenever this happens, the ABS light is on. When I take my foot off of the brake, the ABS light goes off, and as I said, the brakes work normally.
Furthermore, this only happens if I have been sitting in my parked car for a few minutes with the engine off. It does not happen if I am getting into the car after being away for a few minutes, it only happens if I sit in the car for a few minutes and then turn the car back on to go somewhere.
This is, of course, not only irritating, but unsafe. It can be easy, if you are distracted, to have the car roll into someone or something if you are looking away, thinking that even though you put the car into gear, it will not go anywhere because it is not supposed to go anywhere, you have your foot on the brake!!!!
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