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A couple of observations after one week behind the wheel of the Model S

Discussion in 'Australia & New Zealand' started by istevens, Apr 26, 2015.

  1. istevens

    istevens Member

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    Hi Folks ... a couple of things I've noticed, wondering whether others have noticed the same ...

    During the Sydney downpours last week I seemed to get lots of false-positive blind spot warnings ... it's almost as if the volume of rain was confusing the radars ?

    Sydney buses have a big 40km/h sign on their back, qualified with "when lights are flashing". However the Model S seems to read these on a freeway and tell me the speed limit isn't 100km/h but 40km/h ... then it doesn't change it back until the next street sign ...

    Ian
     
  2. lennier

    lennier Member

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    #2 lennier, Apr 26, 2015
    Last edited: Apr 26, 2015
    Not surprising really. The image processing heuristics aren't likely to be able to distinguish a 'real' road sign from one presented to it on the back of a vehicle. They certainly could with appropriate effort, but this is probably not a situation that's been anticipated and allowed for as yet.
     
  3. raynewman

    raynewman Member

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    Also, there is a particular 80 sign I pass regularly that the Tesla thinks is 30.
     
  4. Dborn

    Dborn Confirmed

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    Yeah the 80/30 thing is common. Also, if the sign on the bus is a realistic representation of the real thing, then yes, it will think it is that figure.
     
  5. ZTrekus

    ZTrekus Member

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    Better than confusing a 30 for 80 I suppose...future upgrades...
     
  6. istevens

    istevens Member

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    Have noticed also that it's not good at picking up the lit variable speed signs on motorways like the M2 ... seems not to recognise them at all

    - - - Updated - - -

    And another observation ... if you have the Tesla app loaded on more than one phone then your other half can see exactly where you are, where you're going and how fast ... not a problem for me as I have nothing to hide, in fact it's good because she can (eg) see how far I am away from home without calling. For others though, maybe not !! :redface:
    IMG_0002.JPG
     
  7. TesAus

    TesAus Member

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    I got lots of false positive blind spot alerts during heavy rain also, but only from the drivers side.
     
  8. meloccom

    meloccom Moderator Aus/NZ

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    From experience I believe that the warning is triggered when the car senses another vehicle in your blind spot and at the same time it senses that you have crossed a lane marking on the same side. That all makes sense but I think the car struggles to detect lane markings in the wet and seem to trigger on other lines like expansion joints and possibly even the lines left by tyres on the wet road surface.
     
  9. SR22pilot

    SR22pilot Member

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    In this video

    https://youtu.be/kp3ik5f3-2c

    Mobileye discusses expanding sign recognition and recognizing the status of traffic lights. I expect we will see tremendous improvements over the next two years in the reliability of sign recognition. The video also notes that Tesla is first to use the IQ3 chip.
     
  10. ZTrekus

    ZTrekus Member

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    An excellent video SR22pilot, I enjoyed every minute of it. Thanks.
     
  11. lennier

    lennier Member

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    Thanks SR22pilot, very interesting. I spent 13 years doing R&D on this sort of stuff at CSIRO and at the time never thought I'd eventually be driving a car that used it!
     
  12. Barry C

    Barry C Member

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    Hi,
    Didn't want to start a Thread with a trivial question. Here seems a good place. If two people with active fobs approach a locked Tesla. Who does the car identify?
    The closest? To what? The driver's side?
    Just curious as I await my June delivery....wife and I will presumably have fobs with driver profile...
     
  13. cynix

    cynix Member

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    Driver profiles are not linked to key fobs. They need to be manually selected using the touchscreen.
     
  14. Ugliest1

    Ugliest1 S85: "Sparky"

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    From experience, whoever's closer. But the driver profile doesn't work like I think you think it works - it stays on whoever last was set, in other words, it's only changed "manually" from the touchscreen. I actually like this far better than my previous ICE whose driver seat position would start changing to my wife's if she got to the passenger side first. Then I'd have to struggle to actually squeeze myself in to the drivers seat. Or wait until it finished, and use my fob to reset to my profile.

    I suppose I'll have a similar squeeze problem after my wife drives the S, but she drives it so rarely I haven't noticed a problem. :biggrin:

    [EDIT: oops, cynix beat me to it]
     

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