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Auto High Beams no longer works well

Discussion in 'Model S' started by kirkbauer, May 8, 2016.

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  1. Joe

    Joe Member

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    Noticed the same after the 2.16.17 update. Reported it to the SC as well.
     
  2. Whitmarsh

    Whitmarsh Member

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    Talked to the SC, which didn't know of the problem (which has afflicted several people here in the UK too) and the car's logs didn't show anything. However, the technician suggested cleaning the sensor (a narrow slit in the forward face of the rear-view mirror) with a cotton bud. I did that 2 days ago and since then the lights have worked perfectly. Certainly worth a try.
     
    • Informative x 1
  3. silvers

    silvers Member

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    I am having the same issue. While it seemed that this function worked perfectly for me even about a month ago, now the headlights will mostly stay in low beams, and switch into high beams occasionally and sometimes only briefly. I had read elsewhere that it could be the sensor, which I had cleaned. However, I did not use a cotton swabs, but I will try that to see if it helps. I thought this was related to a recent software update, where they had just changed the sensitivity, and it may be since so many others seem to indicate a similar issue. I had my local SC check it out and they drove it at night and did not see what I was talking about. I'm not sure if they checked the logs, but they updated to the latest firmware. So last night I shot a video to show them how it was behaving. It was doing a little better about staying on high beams until I came up behind another car, and passed it. Then the low beams stayed on for a while, even though there were no other vehicles on the road.
     
  4. Whitmarsh

    Whitmarsh Member

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    Well, it started not to work reliably again. One of the UK technicians has been looking at this for me for some days. I told him the times of various journeys and experiments I had done and he looked at the car's logs but could find nothing untoward. He is working with his counterparts in the US, but they have not so far found an obvious cause. The difficulty is that the fault is intermittent, even on the same car; ours, for instance, was bad for some days, then became OK and then failed again. Cleaning the slit in the back of the mirror did seem to help but that might have been coincidence (though I see that it has helped others too). The other factor is that one of the cameras is also involved in this. The one thing the techs do seem sure of is that the problem is not related to firmware/software but ...... Several people wonder whether a software update made the sensor too sensitive so I will do a test for that.
     
  5. animorph

    animorph Active Member

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    If it's just the one sensor and not also the camera, perhaps you could try a piece of tinted plastic. Or even cover the sensor entirely and see if the high beams will turn on.
     
  6. Wayneb

    Wayneb Member

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    I turned auto off for this reason. It used to work so well, now it's pretty much useless.
     
  7. Whitmarsh

    Whitmarsh Member

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    I've tried covering it (and the camera) but it makes no difference. Please do (everyone) report this; the more people who do so, the more attention it will get (perhaps).

    It would be interesting to know whether any of the later 2.17 or the 2.18 firmware releases have made any difference to this.
     
  8. Tree95

    Tree95 Member

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    Yep, they refuse to go high lots of times. I disabled auto because it was so annoying. It used to be sluggish to go high every once in a while, but now it's most times. I live in a rural area with no street lights, no driveway lights. There should be nothing fooling it into thinking there are other vehicles around.
     
  9. caps04

    caps04 Member

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    I disabled Auto also. It refused to turn on on dark stretches and then flashed on for a second. This used to work just fine in previous versions.
     
    • Like x 1
  10. jmadams74

    jmadams74 Member

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    I noticed mine doing the same thing recently. High beams just flicker on for a split second then go off. Very annoying!
     
  11. MarcG

    MarcG Active Member

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    Subscribing to this thread, having the same experience.
     
  12. Skotty

    Skotty 2014 Model S P85

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    Quite frankly, while I'm sure few others would agree, I think it is best to use high beams very conservatively, and wish there was an option for auto-off only (manual on). Today's low beams are as bright as high beams were 10 or so years ago, so really you don't even need the high beams, but it's still nice on the rare occasion you find yourself alone on a highway.
     
  13. kort677

    kort677 Banned

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    it's not about the brightness the high beams are angled to give you a longer lighted view.
     
  14. woodturnerdude

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    I am also having this problem. I will clean the sensor and try again tonight.
     
  15. mikedc813

    mikedc813 Member

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    I'm having the same problem. My auto high beams have never worked since I got delivery in March 2016. I wish there was a way to report issues like this without having to go to a SC
     
  16. mspohr

    mspohr Well-Known Member

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    You can do it from the comfort of your driver's seat.
    Initiating the following voice commands will send Tesla Motors a recording of your voice message.

    • “Note”
    • “Report”
    • “Bug Report”
     
  17. artsci

    artsci Sponsor

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    I have Mobileye installed in my 2103. It automatically turns on high beam at appropriate times. No driver intervention of any kind is necessary and it's totally reliable.
     
  18. kort677

    kort677 Banned

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    in theory that is one way do it but many feel that those complaints only make it to the bit bucket. I've had somewhat better results calling into the mothership.
     
  19. mspohr

    mspohr Well-Known Member

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    I sometimes feel they my Model S is a 2103 model but I'd be interested to see what yours actually looks like.:)
     
  20. Fezzik

    Fezzik P100D, M3LR

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    It's annoying that the auto high beams are not working. I am in a very dark wooded area and if high beams turn on it shines the trees and then turns off right away so it does a flicker high and non high constantly
     

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