Unfortunately AP1 cars behave the same in that regards. If you engage TACC with max of 40mph but is actually cruising at 15mph, and the a car in front of you changed lane, it will accelerate to 40mph very quickly despite there's another car in front further down going at 15mph.
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EVie'sDad
Member
Take my advice, change that TACC distance to AT LEAST 5 or 6, otherwise you won't have the car very long....a setting of 2 only covers speeds at or below 20 mph, AT 60 mph you are going to hit and probably kill somebody, not to mention risking your car and your well being. I keep mine at 7 too, and it always brakes in sufficient time to decelerate to a stop when traffic comes to a standstill in front of us, even at highway speeds.
A setting of 2 is going to wait until the shortest possible distance BEFORE beginning to brake, that is why it is behaving in an 'unsafe' manner, chalk it up to operator error. Do as I suggest and it will be far safer for you and those around you, and enjoy driving in your new Tesla!
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muleferg
Active Member
Take my advice, change that TACC distance to AT LEAST 5 or 6, otherwise you won't have the car very long.
If I EVER get it that's my choice 6-7.
If I EVER get it that's my choice 6-7.
They ARE calibrated in time according to the manual.
Andyw2100
Well-Known Member
We're having a discussion. A discussion involves back and forth.
If my post is one of the ones that you are referring to when you suggest @MXWing not listen to people who are telling him he is wrong, I want to point out that I did not do that. I let him know how TACC on AP1 cars used to work, and the improvement, as I saw it, that Tesla made to it. It's entirely possible that AP2 is behaving in a different, less safe way. But in my opinion, AP1 TACC now handles cars cutting into our lane much better than it did before, with no unnecessary braking for cars moving fast enough. Since we have no reports of TACC rear-ending cars in this situation, I'd say that is pretty solid evidence that it is working well. Again--I am talking about AP1. I can't say anything, obviously, about AP2.
Serious question:
Does Tesla have employees or volunteers to drive these vehicles, in real time parallel to customer/owners, strictly to get the software up to speed and safe?
And also:
It seems to me that post #1 information would do greater good to all concerned if it were placed in the hands of the people who are actually developing these features. Public displays like this thread seem counter intuitive/productive to me....
Does Tesla have employees or volunteers to drive these vehicles, in real time parallel to customer/owners, strictly to get the software up to speed and safe?
And also:
It seems to me that post #1 information would do greater good to all concerned if it were placed in the hands of the people who are actually developing these features. Public displays like this thread seem counter intuitive/productive to me....
polymathic
Member
I'm sure the OP has reported this to Tesla, but you can be certain Tesla has an employee hired to scour this website and forward important info to the right departments.
Edit: So, I saw no mention of time, car length, feet, meters, and it should adjust to speed. Call it Elon distance.
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After having driven over 20k miles with AP, I am convinced that this is actually a very nice feature that I have come to appreciate. When someone cuts in front of you and driving at the same speed, the car shouldn't jerk and pull back immediately, but instead slowly ease out. There is no need to do any jerky movements.
Although it makes you nervous initially, it is not unsafe. If for any reason the car that cut you slows down dramatically, your car will also slow down accordingly and will not rear end.
If there's a gap in front of my AP1 car and there's a car cutting in front of me, the car brakes pretty hard to keep the following distance instead of slowly ease out. Normally I would just lift off the accelerator but this car brakes when using AP.
mspohr
Well-Known Member
As you have noted, a setting of 2 for ACC following is too short a distance. I usually run at 6 or 7. It's easy to change. Just twist the lever.
I do not understand what is "not good for the car" in the scenario you describe. Please explain.
LargeHamCollider
Battery cells != scalable
To try and get better data for TACC follow distance, I took my Volt out which has numerical numbers for following distance.
I am confident in placing AP2 TACC at between 1.3 and 1.5 seconds for setting number 7.
I think Tesla should change the dial settings to "following distance in time" and not abstract it out to 1-7.
I am confident in placing AP2 TACC at between 1.3 and 1.5 seconds for setting number 7.
I think Tesla should change the dial settings to "following distance in time" and not abstract it out to 1-7.
NerdUno
Member
As the owner of a P90D manufactured over Thanksgiving week, I had some concerns. Now reading about software developed between Christmas and New Year's sounds downright scary. Over-promising and under-delivering are dangerous where human lives are at stake. Get it right, Elon, regardless of how long it takes. This is not an unmanned rocket, and a catastrophic accident is the last thing the Tesla brand needs right now.
Give it some time to settle and for more people to share their experiences. It's not correct to say the software "developed between Christmas and New Year's" as that seems to suggest they only started on the 26th. What concerns you with your vehicle being produced over Thanksgiving week? Too much tryptophan for the quality supervisors?
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