How FSD behaves w/ Max Speed -- explained by Tesla software engineer

[Woodrick]

FSD sometimes makes good choices but then forgets. I drove on a 200 mile trip yesterday. I set it to the speed limit and it kept it on most straight runs. The smart thing it does is when I get to tight curves, it slows down to a comfortable speed as to not create G forces. I like that. However when it returns to the straight away, it seems to forget what speed I had set it at and it just stays slower. I then have to push the accelerator to get it back up to the speed limit. That is annoying.

It's also not in production.

Feel free to wait until it is fully baked to try it again.

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[CyberGus]

That's basically a Texas problem

don't mess w/TX

 

[Woodrick]

I agree. I am often turning FSD on and off repeatedly because I don't want to put in a destination but want the lane centering. If I don't turn it off at several intersections I commonly go though it trys to turn instead of going straight.

I also turned off the auto speed because it was just all over the place. Anywhere from 10 under to 10 over with no consistency or regard for traffic.

I've checked that for the last few days. Never had it make a turn on a straight road. Like always, at the end of the road, it defaults right.

 

[MeadowShade]

You're going to have to get used to FSD choosing the speed, especially when the liability falls upon FSD and not you.

Until then, mark when it's not going fast enough with the voice notes. Remember to say what the speed limit is, the lane width, and what speed you expect it to go.

-Crissa

????

Liability falls on FSD?

In what world does that happen.

I have put 2,000 miles on FSD in my CT. Not liking the ghosts setting the speed. Often, way too often it is either 10 or more MPH below the speed limit which gets some other drivers raging if it is sunny straight, wide road OR it is up to 12-15 OVER the posted speed limit when it has actually got the right number shown as the speed limit.

Liability is still 100% the driver's ... That is what Supervised means. We need this part of it to either be better or able to be set.

Sure, if it is dark, rainy, curvy, narrow, unmarked or lots of debris or big trucks far below the posted speed is fine.

On I-40 in NC it pulled out onto the Insterstate and showed 45 and went 45 until the first speed limit sign a mile away. Not pulling away from some stop signs after it is well clear and yes, not reading the correct traffic light too.

On balance, I was a beta tester way way back and honestly, we all need to be patient with the progress. This is like approaching the speed of light. As we get closer and closer the demands increase exponentially. So the training demands are going up exponentially. Elon said the other day that one mistake every 10,000 miles is about where FSD is now. So you have to train for 10,000 to get a mistake and train another 10,000 to verify that it is fixed.

It has NEVER been better but still not ready and these last 1% or less will take a Billion miles of data to get it closer. Dr. Know It All says the final version will not be done until 6 Billion miles are trained. We are at least another year from that number.

But, to your comment. I am not sure if the Liability will ever be transferred from the driver. Ever.

 

[CyberGus]

The problem with this thought process (user input is always an error) is that FSD does not yet get the speed right all the time on its own.

That expression "input is error" comes straight from Elon. I take that to mean "all unnecessary input is error" because at some point we need to at least designate a destination hahahaha

FSD needs to learn how to choose the correct speed, which is more than just reading the sign (although it gets that wrong, too). I let it pick the speed it wants but I often mash the go-pedal to keep up. Hopefully it's learning ?‍ but regardless it is still FSD "supervised".

 

[MeadowShade]

I can have absolutely flawless drives aside from the speed. There are a few “25 means 25” roads in this area and FSD loves to scream down them at about 38-42 Mph.

Until they can fix that, I will be forced to disengage, slow down to the correct speed, and reengage each time

Exactly.

How can the AI justify going 12 or more OVER the posted limit and that far below when the speed is 60 or higher. Not getting the argument that it drives slower to be safer if it drive 12+ over at low speeds.

Sounds to me like it is just choosing the speed it can process ...

 

[M0unt41nm4n]

It's also not in production.

Feel free to wait until it is fully baked to try it again.

 

[CTSoFL]

When you disengage the FSD a message pops up asking why did you stop FSD and if you hit the mic icon on the yolk you can talk and leave a voice message stating why you disengage FSD.

A common note they'll hear from me is that the truck hugs the line in the left side on two way traffic roads...

Once time it attempted to pass a slow driver after the car behind me past us both and then it just stopped acceleration once it moved into the on coming lane, i took over to complete the maneuver and i also hit the mic to leave a note about what just happened. Hope that helps.

Very helpful.

They are going to love my tourette's.

 

[mongo]

It only sets the MAX speed allowed. Basically FSD cannot drive faster than this speed. It doesn't change how slow it can go.

But the right pedal does ?

I drive FSD with auto speed off and a whole lot of right scroll wheel. Pretty sure those speed adjustments (along with go pedal and blinker usage) get logged and sent to Tesla as user input/ error.

 

[CybertruckRN1127]

It is annoying when it drops to something like 62mph in a 55 when everyone is doing 80. Also, it was doing 72 in the left lane and someone passed me on the right to get in front of me doing 90. Cybertruck was dragged into 87mph in a 65. No way for me to slow down unless I cancel FSD and re-engage. Even when the car it was following disappeared, the CT was still cruising at 87.

 

[Pops]

The problem with this thought process is believing that a new product is going to be perfect before it really is released.

If the driver wants to go their speed, don't let the vehicle drive.

If you want to go faster than the vehicle does, press the accelerator!

No one thinks it is perfect, and a lot of people are astute enough to know it will never be. Also anyone who uses the system today knows the solutions (pressing accelerator or just not using FSD). Do you think these are helpful insights you are giving?

I feel this discussion is more about the design intent Tesla wants to achieve. This Tesla employee states they intend to not accept speed settings from the users. I feel that is a mistake today and in the future because the system cannot and is not taking all things into consideration.

 

[Nice2CTu]

Liability falls on FSD?

In what world does that happen.

Supposedly next year, when the robotaxi has no pedals and no steering wheel. Surely the liability will not transfer to an owner or passenger, when neither have any control. This I'm sure will need to be resolved in the courts, but if I own 35 robotaxis, and they make errors, from a business perspective it's not a liability I would assume, would hold the OEM responsible because they control it, updates, decisions, etc.

 

[LMACYBERTRUCK]

Dumb question...

What are voice notes?

I have screamed, "you stupid fucking thing go faster!!" augmented by my clear shifting in a toddler temper tantrum disapproval in the seat.

I like to give both aural and visual clues.

Am I doing it right?

Voice notes in Tesla's Full Self-Driving (FSD) system refer to a feature introduced in FSD Beta v11.3 where drivers can record and send short voice messages to Tesla after an FSD disengagement. Here's how they work:

- **Purpose**: After the Autopilot or FSD system disengages, the vehicle prompts the driver to share what happened via a voice note. This allows Tesla to gather real-time feedback on why the driver had to take control, which aids in improving the system's performance.

- **Operation**: The driver can initiate recording by pressing the right scroll wheel or the microphone button, typically used for voice commands in newer models like the refreshed Model S/X. The recording is limited to 10 seconds, ensuring quick feedback without diverting the driver's attention for too long.

- **Benefits**:
- **Immediate Feedback**: Tesla can receive instant, contextual feedback which might be more detailed than what could be quickly typed or selected via buttons.
- **User Experience**: This method allows drivers to keep their hands on the wheel and eyes on the road while providing feedback, enhancing safety.
- **Data for Improvement**: The voice notes, potentially transcribed into text later, help Tesla's engineers understand common issues or scenarios where FSD needs refinement.

- **Availability**: Initially, this feature was rolled out to early beta testers but was intended to become available to all testers participating in the FSD program.

- **Technical Integration**: While primarily for feedback, the integration of voice commands for various controls in Tesla vehicles (like navigation, climate, and media) shows Tesla's broader approach towards making vehicle interaction voice-driven, which aligns with improving the user experience in autonomous or semi-autonomous driving conditions.

This feature reflects Tesla's ongoing efforts to refine FSD through user feedback, leveraging voice technology for safer, more intuitive interactions with the vehicle's systems.

 

[Sjohnson20]

The problem with this thought process (user input is always an error) is that FSD does not yet get the speed right all the time on its own. Its rather offensive and arrogant to imply the driver doesn't know best when it comes to speed.

Here in Texas FSD is frequently reading the speed signs on the frontage roads (roads along side highways) and slowing down to 45mph in the middle of the highway. Its annoying and dangerous.

Not to mention, what if its my preference to reduce my trip time by 10%, why will it not respect my speed settings? This guy is gas lighting us, or they have just made a poor choice when it comes to system design/user interface.

In Georgia it reads the minimum speed 40 signs as the speed limit. It's really annoying. Not sure if it's reading the sign or if it's a map issue.

 

[Tecyber1]

I am wondering why they have yet to train FSD to recognize school zones and therefore the 20MPH flashing signs?

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