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Curvature Assist Causing Near Rearenders

EasternSP

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I'm just full of gripes about this truck but I still like it better than any vehicle I've ever owned, except for my Honda Goldwing.
This Curvature Assist was active in my Y Model and now, it's in my CT.
I don't know how to turn it off except to not use cruise control or whatever Tesla calls it. Doing an online search says to disable it in the Autopilot menu but the best I can find there is collision avoidance preference.
Coming home this morning, I was in CC on a slightly twisty road. I was expecting CA to activate in a fairly sharp curve, but it didn't. A short while later, at a point where a subdivision access joins this road, the CA hits the brakes and the car behind me must not have been paying attention, hit the brakes hard enough to make em screech.
Tesla, please, tell me how to disable the CA before someone gets hurt.
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JCERRN

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I'm just full of gripes about this truck but I still like it better than any vehicle I've ever owned, except for my Honda Goldwing.
This Curvature Assist was active in my Y Model and now, it's in my CT.
I don't know how to turn it off except to not use cruise control or whatever Tesla calls it. Doing an online search says to disable it in the Autopilot menu but the best I can find there is collision avoidance preference.
Coming home this morning, I was in CC on a slightly twisty road. I was expecting CA to activate in a fairly sharp curve, but it didn't. A short while later, at a point where a subdivision access joins this road, the CA hits the brakes and the car behind me must not have been paying attention, hit the brakes hard enough to make em screech.
Tesla, please, tell me how to disable the CA before someone gets hurt.
I dont think tesla has explicitly updated TACC once since the CT came out. All focus is on FSD. I think curvature assist is built into TACC. Its like asking to turn off autosteer in fsd. Imo TACC is unsafe except for straight line empty highway. Even then, the fact that they did not include autosteer for highway is actual trash and a failing cash grab, hence the subscription only model.
 

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WTF is "curvature assist" lol

My search says it's for non-US vehicles, and is not applicable to FSD. Even when used by TACC/Autopilot, it is not user-settable.

Hard-braking under FSD might be a training issue if there wasn't an obvious collision looming. Even when not on FSD, Automatic Emergency Braking (AEB) will engage to avoid an imminent collision. And, sometimes it gets fooled and brakes over nothing. 🤷‍♂️
 

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It is definitely a brute force function, not smooth ar all. That said, it is more beneficial when towing. It could use some development.
 
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EasternSP

EasternSP

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I've been looking for clues on line occasionally about this curvature assist breaking and only found a couple suggestions. Clean the front camera or adjust the collision sensitivity. Neither has changed to random Curvature assist activiation.
Today, it happened again and I was very, very close to being rear ended by a box truck. I don't have the quickest reaction time, especially when not even anticipating it, but I did notice the speed dropped from the 56mph that I had the pilot set to down to 46mph when I finally got my foot over to the gas accelerator pedal to get back up to speed. The front grill of the truck behind me filled the rear view camera screen. I can only assume that he thought I was brake checking him. How do ya communicate that it was the car that decided to brake to someone?
 


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Get FSD.

But to answer the other question, my signal that the truck did it is just to show both hands in an exaggerated shrugging motion as the CT continues to drive itself. “I didn’t cut you off, buddy, Mad Max did!”
 
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EasternSP

EasternSP

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Breast implants...?
Curvature Assist Active is the message that pops up on the left panel of the screen when you're in autopilot (cruise control) and the car thinks you're coming into a curve in the road to fast. The car will brake speed momentarily until it reaches a speed it thinks is safe, then resume the speed that the autopilot was set at. This braking action can occur anywhere while you're in autopilot. Straight road, freeway, country road, residential street even when there is noting in the road that would warrant a sudden reduction in speed.
Yeah, the vehicle following ya should be maintaining a safe distance, but in the real world of highway travel, if the following driver doesn't see anything ahead of you, he would not anticipate a sudden braking and would either run into you or presume you were brake checking him. I would suppose this could lead to personal confrontation between drivers from name calling to outright assaults.
On the facet of who is in the right. It really doesn't matter at that point if you're seriously injured or someone gets unalived out of the situation. Legally right doesn't make ya heal faster. This is a condition that I think Tesla needs to address besides, just don't use autopilot then.
 

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Curvature Assist Active is the message that pops up on the left panel of the screen when you're in autopilot (cruise control) and the car thinks you're coming into a curve in the road to fast. The car will brake speed momentarily until it reaches a speed it thinks is safe, then resume the speed that the autopilot was set at. This braking action can occur anywhere while you're in autopilot. Straight road, freeway, country road, residential street even when there is noting in the road that would warrant a sudden reduction in speed.
Yeah, the vehicle following ya should be maintaining a safe distance, but in the real world of highway travel, if the following driver doesn't see anything ahead of you, he would not anticipate a sudden braking and would either run into you or presume you were brake checking him. I would suppose this could lead to personal confrontation between drivers from name calling to outright assaults.
On the facet of who is in the right. It really doesn't matter at that point if you're seriously injured or someone gets unalived out of the situation. Legally right doesn't make ya heal faster. This is a condition that I think Tesla needs to address besides, just don't use autopilot then.
I’ve been switching between FSD and TACC daily to see what my preferences are and to assess whether I want to purchase FSD by deadline. So far I’m leaning TACC, I’m still correcting FSD daily to my preferences. Anyway, I was having these sudden decelerations frequently, and yes they are disruptive and unsafe. I adjusted TACC speed to CURRENT instead of SPEED LIMIT. I feel as if I noticed a reduction as the jarring deceleration has not happened since. I am not sure if this is a correction however. I had this happen when crossing an intersection, going straight, says curvature assist. I did notice that TACC decelerates and I think it is reactive to posted speed limit.
 
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EasternSP

EasternSP

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I'm pretty sure the TACC isn't reading the speed limit signs or responding to GPS knowledge of area speeds. I have to adjust the TACC speed when the posted speed is reduced for congested areas otherwise I would blow through them at 20+ over.
 


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TACC looks ahead with a blinders. FSD is always looking with a full 360 coverage, always knowing, analyzing, and predicting.

I question whether anyone having a preference for TACC is rationalizing not wanting to spend the money or what. It’s so night and day, I’d never use TACC if I had the FSD option.
 
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EasternSP

EasternSP

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I've tried the FSD when it was a complimentary offer by Tesla. It was more like riding with my grandson driving. All the actions were to aggressive for my liking even though I had the car in Chill mode. I encountered a few incidents that I didn't like to much either, eg. warning lights were treated as a railroad crossing gate.
 

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I'm on FSD or manual when towing. Never liked TACC in the HW3 Mod 3 or the HW4 CT.

Idiots not paying attention cause rear enders.
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