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Automatic braking in reverse

Discussion in 'Model S: Driving Dynamics' started by 787steve, Aug 3, 2017.

  1. 787steve

    787steve Member

    Joined:
    Jun 30, 2016
    Messages:
    140
    Location:
    Cary, NC
    On three occasions in the past six weeks, my Model S has come to an abrupt stop while backing up. There were no audio tones, and I did not observe any instrument panel messages. My initial impression was that the car had stopped to avoid contact with something behind, but each time, there was nothing in my path. These occurred at different locations, on level and slightly inclined terrain. I am wondering if anyone else has had a similar experience.

    Thanks
    SS
     
  2. MorrisonHiker

    MorrisonHiker S 90D 2017.42

    Joined:
    Mar 8, 2015
    Messages:
    3,510
    Location:
    Colorado
    Did you lift yourself slightly in the seat while reversing, perhaps to look out the rear window? If so, this is a safety feature and has been discussed in numerous threads over the years.
     
    • Like x 2
  3. MurrayJimW

    MurrayJimW Member

    Joined:
    Apr 17, 2017
    Messages:
    60
    Location:
    Winston Salem, NC
    Yeah - this completely unglued me when I first got the car. The rear window viewing area is the size of a dinner plate and shifting yourself in the seat to be able to see something out of it sets the emergency brake. I did it repeatedly when got the car, but have since learned to rely on the rear view cam for backing. I understand the logic of the feature, but dislike it nonetheless.
     
  4. cgiGuy

    cgiGuy Active Member

    Joined:
    Jul 9, 2013
    Messages:
    1,304
    Location:
    Sacramento, CA
    Was it in park after the abrupt stop? If so, what the two comments above say is the most likely scenario. If it wasn't in park, then it was something else.
     
  5. 787steve

    787steve Member

    Joined:
    Jun 30, 2016
    Messages:
    140
    Location:
    Cary, NC
    I don't recall if it was in park or not. I may have triggered the empty seat scenario. I will be more attentive if it occurs again.
     

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