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Comment by vardump | Hacker News Reader

"Even the highway driving (autopilot), which was great initially, has recently degraded in quality"

Are you sure it's not a hardware or calibration issue? Disclaimer: I don't own a Tesla, but I'm just pointing out that it could also be a hardware issue.

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They changed the features of the system considerably. It used to let you set the speed and handle manually-initiated lane changes. Then they started having it initiate lane changes on its own; because this was annoying, they added a “minimize lane changes” feature. Then (and I think this coincides with “FSD” being released to customers who opted in) they removed that minimize option and replaced it with an entirely new system with different modes, one of which is called “Hurry”. This combines aggressive lane changing with speed choices, but the speed never seems to be quite what you want it to be (manual control is gone.) This isn’t unique to my car: if you search for complaints on Reddit and Tesla forums you’ll find plenty.

(Not a Tesla owner... so going based on what I recall reading)

Tesla originally had radar sensors in their earlier hardware models. This sensor not included in later hardware models and later software disabled the sensor inputs.

https://en.wikipedia.org/wiki/Tesla_Autopilot_hardware

> Starting in 2021, Tesla stopped installing the radar sensor in new vehicles, and the ADAS was updated to drop radar support. In 2022, Tesla announced it also would drop support for the ultrasonic sensors, moving the ADAS to an all-visual system. The most recent sensor and computer implementation is Hardware 4, which began shipping in January 2023.

https://www.reddit.com/r/TeslaLounge/comments/179j7es/disabl...

https://teslamotorsclub.com/tmc/threads/tesla-wants-to-physi...

https://news.ycombinator.com/item?id=34153636

...

So it's quite possible it's a hardware issue in that Tesla disabled that hardware and no longer supports it.

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