Prius Plug-in 2012-15 :: Engine Turn On At Between 65 And 67 Mph On EV Highway Drive


Jan 16, 2014

I noticed today that my engine started up on an EV highway drive even though I didn't need it to. It came on somewhere between 65 and 67 mph when I was on a downhill portion of the highway and using only about 1/4 or less of my EV power bar. Why is the car designed to do this? Obviously I was well within the lowermost portion of the EV power band.

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Prius Plug-in 2012-15 :: EV Boost Mode At 65 Mph On A Flat Highway?

How long could you stay in this mode at 65 mph on a flat highway?

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Prius Plug-in 2012-15 :: How To Use B Mode Next To Drive

You can put your car in drive, but also, you can put it in the "B" position. What does that do? How do you best use it? And what does "B" stand for anyway?

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Prius Plug-in 2012-15 :: Standard Pulse And Glide At Slow Highway Speeds

I'm talking basically about the equivalent of your standard pulse and glide in the regular Prius. But the PiP would allow you to do it up to 62 mph. However, you would manually have to toggle the HV/EV button to do it. It would be tiresome.

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Prius Plug-in 2012-15 :: Creeps Forward In Drive Unless Foot Is On Brake

I think this is dangerous. Several times I've stopped and hit the turn off button and had the car creep forward when I actually didn't shut off the engine. I had taken my old 07 Prius to the dealer to see if they could fix this and they said they couldn't.

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Prius Plug-in 2012-15 :: Can't Turn AC On From Remote

I got Prius 2013 with Advanced package (with Dynamic Cruise control etc.). I am having hard time starting the A/C remotely, even after I followed the manual. I pressed A/C button on my key fob, but the AC doesn't turn on.

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Prius Plug-in 2012-15 :: Headlights Staying On After Turn The Car Off

With the days getting shorter, I have been leaving the lights on when I park the car in my garage, and rely on the auto-shutoff feature instead. However, today I found out (after someone told me several hours later) that my headlights were still on. As far as I know, if I leave the lights on, turn the car off, and lock it, it should turn off within a few minutes, correct (previous experiences seem to indicate this is right)?

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Prius Plug-in 2012-15 :: Indicators Disappear After Turn On Headlights?

I never used the headlight before. Last night, I turned on my headlight, All the indicators like MPG indicators, EV,HV modes , etc. disappeared. Of course, it doesn't matter for my driving this PIP.

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Prius Plug-in 2012-15 :: Turn Off Right Front Seatbelt Beep?

Shut off the right front seatbelt beep? I asked Toyota, they will not do it. Do you need a OBDII II to do it?

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Prius Plug-in 2012-15 :: AC Button Pressed In Winter Turn On Heat?

If the remote AC button is pressed in middle of winter does it turn on the heat and if yes, does it stay on long enough to actually get some heat going.

For example, if I press it while car is in the garage and it turns on (auto temp set to 70 when it's maybe only 25 in garage), if I go out in 5 or 10 minutes will it have actually heated things up a little? Hope so because that would be better than going into garage, starting it up and going back inside.

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Prius Plug-in 2012-15 :: Passenger Seat Airbag Light Turn On

The "airbag on" indicator light on the dash in front of the passenger seat is lit whenever an adult (haven't driven with a child yet) is in the seat. My passenger (wife) finds the light obnoxious to have to look at, and I can't blame her. The customization section of the user manual doesn't seem to address this

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Prius Plug-in 2012-15 :: Any Way To Turn Off Buzzer When Rear Hatch Is Open?

On occasion I have to haul something (bicycle) that wont let me close hatch. Can I turn off buzzer. I have an hour transport coming up.

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Prius Plug-in 2012-15 :: Gas Engine Often Starts In EV Mode

On occasion - not frequently - I'll notice the gasoline engine kicking in when I'm in ECO/EV mode with plenty of EV battery left. Today it happened on a relatively flat street, going maybe 30 mph, without the a/c or anything else on, and about 7 miles left on the EV battery indicator. In less than 30 seconds it went back to pure EV and the gasoline engine never kicked in again.

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Prius Plug-in 2012-15 :: Outside Temp Kicks Engine On?

Does the outside air temp make the engine come on to warm up even if everything else favors all electric mode? If so then at what temp does this happen?

I'm asking because there have been a couple of times that the engine came on right after start-up with a full charge and the climate control was not calling for heat.

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Prius Plug-in 2012-15 :: High Engine-off EV Speeds In N

I was doing some N coasting, mostly because it's a pain to try to keep regen at 0, and I noticed while the engine will start idling in drive at ~64mph (62mph GPS I imagine), the system indicates it'll stay off above that if I stay in N in EV mode. On the plus side, it can make for some higher speed engine-off coasting, but do that could push MG2's speed too high?

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Prius Plug-in 2012-15 :: No Engine Shut Off When Stopped

I have a Prius PIP. When warmed up after driving several miles, the engine does not shut off when stopped . This happens in the ECO mode. Any solutions?

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Prius Plug-in 2012-15 :: Mileage Is Off - Check Engine Light Comes On

My son got this for his '05 Prius, and I plugged it into my PiP for awhile. I am learning to brake more slowly and accelerate more gradually, but the mileage is obviously way off. That seems to be about all it's good for, unless a check engine light comes on.

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Prius Plug-in 2012-15 :: Gas Engine Running While In Electric Mode?

I'm confused about my PIP. Every night, I charge my battery fully and have 11-12 miles of charge to consume during the day. However, I've noticed that at least 10-25% of the time I'm driving in EV mode, the EV indicator goes off and my gas engine just runs. It's not because I'm driving the car hard - it even does it when stopped at a light.

My only guess is that either Toyota wants the gas engine to run once in a while or else it's trying to charge the Hybrid battery (even though I'm not using it at that time). It's a really bummer because even though I'm rarely out of EV mode, I'm burning what seems like a fair bit of gas - after 300 miles of mostly EV, I'm down to half a tank of gas?

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Prius Plug-in 2012-15 :: Engine Start Resetting Mileage Back To Zero

I have a vague memory that the PiP will start its petrol engine every XXX miles just for a maintenance warm up if it has not been used for that mileage. An engine start will reset that mileage back to zero and start recounting its EV miles until that limit is reached again. What is that limit?

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Prius Plug-in 2012-15 :: Sound From Engine Compartment When Opening Door?

Found the answer... it's the brake booster pump...

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Prius Plug-in 2012-15 :: Engine Started Revving Loudly On Occasions

I bought a new 2014 Prius plug-in base model two weeks ago. No problems until yesterday.

The engine has started revving really loudly on occasion. It's much louder than the normal ICE noise in hybrid mode - 2 or 3x as loud (much louder than our regular Honda Civic engine).

When the revving happens when I'm in EV mode, the EV mode light on left side of dash stays on (but it's clearly not in EV mode). The EV and Eco symbols above the power bar go blank. The MPG won't go above 25 mpg, no matter if I'm not touching the accelerator. Switching from EV to Hybrid mode and back does nothing.

The only way to get it to stop is to stop the car, turn it off, turn it back on, and then it's fine - EV or Hybrid mode, it sounds normal again. I have not tried to drive more than a mile with the noise to see if it goes away. It occurs when:

-If the fan, heat or defrost is on when I turn the car on - turning them off doesn't stop the revving.
-If I switch the fan, heat or defrost on when stopped at a light - turning off doesn't stop it. (But it doesn't happen if I turn heat or defrost on while moving in EV or Hybrid mode.)
-If I switch from EV to Hybrid mode while stopped at a light.

The weather is cooler now and I'm fine with the ICE starting to warm up the engine, the compartment, etc, but the revving noise doesn't seem normal.

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