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Summons: What could go wrong?

Discussion in 'Model S: User Interface' started by Walter A, Oct 11, 2017.

  1. Walter A

    Walter A Member

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    I use the Summons feature with the key fob twice a day to go in and out of my garage. So far I have had no issues and I love the feature. That said, owners have had their car hit something while using the Summons feature. I am curious what may have caused the Summons feature to fail. Any opinions or answers? Thanks
     
  2. Max*

    Max* Not Banned

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    If you can see the car and are in close proximity to be able to touch a door handle or press the keyfob to stop summon, you should be fine.

    Just don't mess with summon without being ready to intervene, 99 out of 100 times it'll work well, but we have a enough stories from that pesky 1 time it fails.
     
  3. redy

    redy Member

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    I have been using it in my tight fit garage for 2 weeks now. Couple of times it almost hit the hand rail of the stairs in the garage. It may have stopped but I stopped it on the fob anyway cuz I didn't want to take the chance.

    Backing into the garage I can do it myself, but I feel with summon I can keep an eye better.
     
  4. Tam

    Tam Active Member

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    Tesla has 1 Radar, 8 cameras, 12 sonars so in theory, it should not collide to anything while summoning.

    But it still does occasionally so I guess Tesla has not used all of them and the software needs to be updated.
     
  5. wayner

    wayner Active Member

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    @Tam is that true of both AP1 and AP2 cars?
     
  6. Max*

    Max* Not Banned

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    AP1 cars have 2 cameras, but supposedly only the front is used for AP stuff, the rear just feeds to the display for seeing during backup.
     
  7. chillaban

    chillaban Active Member

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    It literally does not use anything except the 12 ultrasonic sensors. And those can miss objects that are too high or too low, or even too close together.

    One day hopefully Summon+ will get here with more sensors in use, but for someone using Summon today, it's worth remembering that it's entirely based off what the parking sensors can and can't see, so the same intuition when trusting parking sensors applies to when Summon is moving the car.
     
    • Like x 1
  8. ecarfan

    ecarfan Well-Known Member

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    But Tesla does not guarantee that collisions during Summon will not occur. So always be ready to intervene. And keep in mind that the ultrasonics cannot detect soft objects or very thin objects even if they are hard like a metal.

    I've used Summon at least a dozen times, just for fun, and it worked as advertised. But I was watching very carefully...
     
  9. chillaban

    chillaban Active Member

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    FWIW, I use Summon about twice a week to get in and out of a tight parking stall. I've been doing this for over a year now, and it's worked like a charm except one time where it seems to have lost sight of the wall and started turning towards a wall. I was able to abort it without incident… but it still goes to show, you gotta stay vigilant.

    The car moves at a glacial 1mph, so it is extremely unlikely to hit anything before you can react, unless you aren't paying attention to it.
     
  10. kort677

    kort677 Active Member

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    that is the lineup for AP2. many of us are on AP1
     
  11. timvracer

    timvracer Member

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    Biggest issue is that it cannot see curbs that are tall enough to hit the front valence. My car drove right up on top of a curb, scraping the underside of the front valence and lifting the car up a couple inches (car automatically went into "jack mode" which was interesting).
     
  12. Tam

    Tam Active Member

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    BIG OUCH!

    That's why I prefer to back up so I can see those cement barriers with the rear view camera!
     

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