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Can The Intelligent Parking Assist Damage The Car?

Discussion in 'Gen III 2010+ Prius Main Forum' started by cproaudio, Apr 24, 2011.

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  1. cproaudio

    cproaudio Speedlock Overrider

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    I am really good at parking so I don't use IPA all that much. The only time I use it is to test it to make sure that it works so when I show it to people, it won't park all crooked. The only IPA feature I test regularly is the backing in. I've only tested the parallel parking once. The end result was that it parked 2 feet away from the curb. I was afraid of it curbing the 17" wheel which is expensive to replace and hard to find.

    Can the IPA curb the rims? Can it turn too early and damage the front bumper by hitting the car in front of me?

    I know it has the sensors on the bumper but when I did the parallel parking, it looked like it's going to hit the car in front of me.
  2. Dubs

    Dubs New Member

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    I haven't even tried mine so I'm looking forward to this thread.
  3. 32kcolors

    32kcolors Senior Member

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    Never had that happen. It does look dangerously close to the car in front of you while parallel parking, but that's only because you can't see much of the nose. People frequently misjudge how much space they actually have in front of the nose for this reason. If you have green lines, trust the system.

    It has never curbed my rims either, but you don't need to be that paranoid about scuffing up the rims in any case as the stock 17" tires have the raised rim protectors.
  4. macman408

    macman408 Devil's Advocate General

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    It certainly could damage the car, which is why you have to operate the brake. If something looks too close, feel free to stop the car. It's probably more likely to get too close to something if it's unevenly loaded (so the car is at an angle, either front-to-back or side-to-side, so the camera isn't fairly level), or if the road suddenly angles up or down, or if the road surface is uneven (eg it gets much lower or higher on the side than normal). That said, there's probably some tolerance built into the system for these possibilities, which is probably one reason why the car requires such a huge space for the APGS to fit into.

    You can use the little flag to judge where the car thinks your front bumper will swing in. If the flag is very close to the front car, you can move the parking space back a bit to give you some more room. If it's over the bumper of the other car, it will probably show you a red box.

    The bottom line is, it's just an assist mechanism - you still have the ultimate control over the car. Set the system to put the car exactly where you want it, but if you think it's about to hit the curb or another vehicle, stop the car and cancel the guidance (or turn the steering wheel, which I believe will also cancel the system).
  5. 32kcolors

    32kcolors Senior Member

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    There are already disclaimers regarding these in the manual and common sense dictates you don't use IPA in such situations. The system is highly unlikely to screw up when parking in a normal space on a flat level road.
  6. duffasaurus

    duffasaurus Senior Member

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    Hate to burst your bubble, but I've damaged three 17" rims without hurting the "raised rim protectors" on the tires. I've learned to be very carefull, considering the cost of rim repair!
  7. 32kcolors

    32kcolors Senior Member

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    Of course, I already know if you hit the curb at a great enough speed the rim protector will bend and not be able to protect from damage. They are meant to protect against minor oversights of a normally careful driver (and the IPA system if it happens to park too close to the curb). If you've managed to damage three 17" rims, you weren't a particularly careful driver and had to learn to be more conscious.
  8. Tideland Prius

    Tideland Prius Moderator of the North Staff Member

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    The only time you'll potentially curb the rims is if you're too close to the parked cars when you're setting up the IPA. If that's the case, you'd want to press the arrow to move the box away from the box 2 or 3 times. That's the only time I've actually hit the curb with the tyre (not the rim) so I make sure to be the recommended distance away from the parked cars as I move into position.

    In terms of the front corners, most people don't realise how short the Prius' nose is. Many times, it looks like you're going to hit the car, but you'll clear it just fine.
  9. mad-dog-one

    mad-dog-one Prius Enthusiast

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    I have found the IPA to be more of a nuisance than just parallel parking myself. The first step requires pulling into traffic more than I do parking without IPA and the display distracts my attention when I should be looking at traffic and behind the car. I really like the LKA and the radar CC, but am not a fan of IPA.
  10. LeeB

    LeeB Junior Member

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    Never hit the curb (or anything else) when I've used the IPA. The default seems to work fine for me most of the time for parallel parking. Backing in frequently requires the target position to be adjusted.
  11. Shervon

    Shervon New Member

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    Never damaged mine.
  12. skilbovia

    skilbovia Member

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    The problem I have is all the cars behind me trying to figure out what the hell I'm doing.
  13. 32kcolors

    32kcolors Senior Member

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    Skip the pre-support system and it'll go much faster. The only thing slowing you down compared to parking manually would be the speed you can pull into the space.
  14. Dubs

    Dubs New Member

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    My problem is finding a spot to try it out. I live in an old gold mining town where street parking is the norm. I end up parking it myself because the cars behind me intimidate me. I don't want to hold everyone up while I get through the learning curve of this technology.
  15. 32kcolors

    32kcolors Senior Member

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    Practice on an empty parking lot or even out in the open. The system will still trace the lines and work.
  16. ETC(SS)

    ETC(SS) Aspiring Hypocommuter.

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    Re: Can The Intelligent Parking Assist Damage The Car?

    IPA can be a groovy thing to play with for some folks, but if you RELY on it to park your car for you, and your 17s get curb rash....I don't think it's Toyota's fault.
    Back in the stone age when I got my driver's license, you had to prove that you could parallel park a car before they gave you your driver's license---something that I demonstrate in my car almost daily.
    My company has a mandatory 3 day suspension policy (to begin with) if you ding a company car, so I have a pretty good incentive to park my own car---albeit one equipped without IPA...
    :D
  17. Thai

    Thai Prius Neophyte

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    ETC, isn't there a thread bashing V owners that you have to post in?? :rolleyes: Yes, we ALL had the same driver's test...and...we all passed it...so, you're not the only one who had to pass that test! Geez! Get over yourself!

    Dude, be happy with what you have and stop bashing the upper level Prius owners out of jealousy! It is just sad...and pathetic. :)
  18. cproaudio

    cproaudio Speedlock Overrider

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    On my old job, I had to parallel park crew cab duallys like the F350s or C3500 at least once every 2 weeks so parallel parking the Prius is like playing with hotwheels. The personal skill does not apply. However, I do worry about the IPA' s parallel parking ability. Top Gear S10E03 manage to hit the fence while parking an LS600h. I know, Top Gear hates Lexus and make the LS600h look bad. But it does re-enforce my lack of trust on the IPA.
  19. cproaudio

    cproaudio Speedlock Overrider

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    Why not? Toyota Designed it. If they designed a technology that can damage their own car I think they are responsible.
    Parking a Prius is a freaking joke. If you can't do it, you shouldn't be driving. This thread is not about your ability to park a car. It's about the ability of Toyota's Intelligent Parking Assist. Since your vehicle's not equipped with IPA, I doubt you have any first hand experience. This thread is for those people with vehicles equipped with IPA and their own experience. Now, if you have a Ford Focus or an Escape with Ford's version of IPA then you're welcome to chime in.
  20. JimN

    JimN Let the games begin!

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    I had the opportunity to use the IPA Thursday & didn't even think to take it. It took me a good bit of time to get into the space, and, yes, parallel parking was part of the test 34 years ago.
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