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Comma AI self driver assistant

luebri

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FYI... for those interested. CTO from Comma was on the Practical AI podcast recently and I found it to be an interesting listen. (see link below). One of the most interesting things he discussed is they are testing allowing users to use an External GPU for potentially more advanced computational features, which they also posted on X about recently (post below)



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Anders

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I just installed a comma 3X I have had laying for 6 months, as I just got the Lightning coupler today (not easy getting one to Norway). I spent a fair time trying to connect the Q4 harness, but had to ask my girlfriend who have significantly smaller hands to help me with one connection. After the wiring was done, it started throwing errors. After searching far and wide, flipping the USB cable 180 degrees solved the issue.

Now I can confirm it works brilliantly in both Norway and Sweden.

What I do miss is that I run the WD40 driving model and I have no idea what that does compared to the others? Also, speed does not adjust by it self? I can't turn this feature on. Any ideas for fixing that and maybe also turning down the timer for the keep hands on steering wheel. It's significantly better, but would love for not to be gone or at least less frequent.

Best,

Anders
 

Lake Placid Lightning

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I just installed a comma 3X I have had laying for 6 months, as I just got the Lightning coupler today (not easy getting one to Norway). I spent a fair time trying to connect the Q4 harness, but had to ask my girlfriend who have significantly smaller hands to help me with one connection. After the wiring was done, it started throwing errors. After searching far and wide, flipping the USB cable 180 degrees solved the issue.

Now I can confirm it works brilliantly in both Norway and Sweden.

What I do miss is that I run the WD40 driving model and I have no idea what that does compared to the others? Also, speed does not adjust by it self? I can't turn this feature on. Any ideas for fixing that and maybe also turning down the timer for the keep hands on steering wheel. It's significantly better, but would love for not to be gone or at least less frequent.

Best,

Anders
Have you reviewed and implemented the recommended settings?

https://bluepilot.dev/2026/03/19/bluepilot-most-frequently-reccomended-settings/
 

Anders

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Hi,

Yes,

It does not read Swedish speed signs or the ones for construction with yellow background, only white. So it works better in Norway than in Sweden.

I just need to click more in the settings I believe. Not all of the options are intuitive. Would love an updated youtube video on the settings people actually use.
 
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B177y

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Is there an option to especially reduce speed when there is a lower speed limit?
I believe you need to enable "experimental mode" and "alpha longitudinal control" in the Comma settings. Not 100% sure on the exact names of the toggles, but something very similar to those.

I did not like using that option in the USA and many posts on here and the Comma forum on Discord seem to agree that using the Ford Adaptive Cruise (ACC) is a better experience with the Comma handling the lateral steering.
 
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Lake Placid Lightning

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I did not like using that option in the USA and many posts on here and the Comma forum on Discord seem to agree that using the Ford Adaptive Cruise (ACC) is a better experience with the Comma handling the the lateral steering.
Agree. Same experience.
 

HaOsLsE

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Thank you guys for posting all this info. Im really on the fence looking at this. Reading all the reviews/data that I can for now.

@bluepilot folks you have a typo in your FAQ page. bluepilto instead of bluepilot. Not a huge deal but if there is a typo in coding of this device, that could be a huge deal :)

https://bluepilot.dev/2026/03/19/bluepilot-most-frequently-reccomended-settings/

Visual Settings:
Show Blind Spot Warnings: False (There is a bluepilto specific option that most prefer)
 

Anders

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WOW!

Tampered a bit with the settings and it now beats my former Tesla in both driving experience and FSD experience. Great job developing this!

This might be the best money I ever spent on car accessories or maybe in general. I have a 90 minute drive every day and this makes fatigue less of a worry and also the actual drive more fun!

From the bottom of my heart, thank you BluePilot team, community and developers of Comma.
 

whynotdairy

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I know i am super late to the party, but hoping someone can answer this:

If i am 90% impressed with my 2022XLT lane keeping (with ankle weight on steering wheel) including ACC, will comma 4 do anything special?

Does it take exits if i punch in a destination?
 

HunterHan

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I know i am super late to the party, but hoping someone can answer this:

If i am 90% impressed with my 2022XLT lane keeping (with ankle weight on steering wheel) including ACC, will comma 4 do anything special?

Does it take exits if i punch in a destination?
I know i am super late to the party, but hoping someone can answer this:

If i am 90% impressed with my 2022XLT lane keeping (with ankle weight on steering wheel) including ACC, will comma 4 do anything special?

Does it take exits if i punch in a destination?
It does not take exits like Tesla FSD. Do you have adaptive cruise control?
 

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whynotdairy

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Yes, ACC, and has that feature where it sees speed signs and slows down or speeds up
 

Balu

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So, I got my Comma 4 a few months ago. Installed BluePilot, and I believe WD40. I was awesome. Kept it on almost all the time, even when driving local streets and I was doing the driving. Seemed like a good backup.

Then I got some error, it couldn't boot out of nowhere. So I reset it, and reinstalled bp-6 and activated WD40.

Now it is insanely annoying. Worse than Bluecruise. Annoying beeps all the time. Turning off due to inattention all the time. Telling me to hold the wheel all the time (even when I am actively driving). It is trash.

What's going on? Where is the "driving attention" model located? Was it some SunnyPilot or bp-6.0 thing that changed?

Whatever happened, it has gone from a great system to something so annoying I barely want to use it. I'd like to get it back to how it was a couple months ago, when it was awesome.

Help appreciated.
 

B177y

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So, I got my Comma 4 a few months ago. Installed BluePilot, and I believe WD40. I was awesome. Kept it on almost all the time, even when driving local streets and I was doing the driving. Seemed like a good backup.

Then I got some error, it couldn't boot out of nowhere. So I reset it, and reinstalled bp-6 and activated WD40.

Now it is insanely annoying. Worse than Bluecruise. Annoying beeps all the time. Turning off due to inattention all the time. Telling me to hold the wheel all the time (even when I am actively driving). It is trash.

What's going on? Where is the "driving attention" model located? Was it some SunnyPilot or bp-6.0 thing that changed?

Whatever happened, it has gone from a great system to something so annoying I barely want to use it. I'd like to get it back to how it was a couple months ago, when it was awesome.

Help appreciated.
Make sure the Comma is mounted securely to the windshield without any slop or vibration.

Make sure the front facing lens and driver facing lens are clean and clear. Same for the windshield in front of the Comma camera.

Where is your Comma mounted? High and centered is recommended.

The error could be a clue of failing hardware or corrupt software. You could try a complete wipe and reinstall to rule out software:
Go to flash.comma.ai on a Chrome based browser. Follow the instructions. This will wipe and reinstall the base firmware. Then download and install stock Openpilot. Boot into Openpilot. Then reset (not the full flash, just the software reboot) and get into the "install custom software" screen and download/install Bluepilot. Choose WD40 for the model, or try North Dakota (also in the Legacy models menu).

Check those things and report back.

I have a C3x, not a C4, so my descriptions are based on my recollection of the C3x. Some of these may be different on the C4 but should still be very similar.
 

UncleTony

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