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risingphoenix

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Another installation update and tips. Received my Lukas harness today. On my 2023 R1S the existing plug does not have a particularly long cord, so you have to back it completely back to the LEFT of the support. Then you can slide the new plug directly in. I used a combination of fingers around and behind the left side of the support to help guide the new plug in, which made it significantly easier. Took me about 10 minutes.

First drive was fine - however, my comma 3x screen was super dim and I really couldn't see anything. So I made the stupid decision to reboot the comma 3x (I couldn't and still can't find an option to increase screen brightness). Don't do this. I repeat. Don't do this. All kinds of errors were thrown and I couldn't put my vehicle in drive. It took 4 reboots to get back driving ability and it's still throwing some errors periodically. I'm hoping that these just clear with time.

Routing the USB-C (I used a 10 foot cable) was fairly easy - the hardest part was getting the camera cover by the rearview mirror off which invariably tears a few of the metal clips off the plastic and need to be placed back on. Taking this cover off multiple times is not recommended.

Anyway, if anyone knows how to increase the comma 3x screen brightness let me know. Hopefully I don't have a defective unit.

Edit: Initial test drives with OpenPilot are as others have described - super smooth and chill. Much much better option than Driver+ simply because it works on more than 0.1% of roads. No ping ponging between lane lines. Will be nice to have the longitudinal control but if it never happens this is still easily worth the upgrade.

Edit 2: Other users have indicated that comma screen darkness during daylight is a common complaint. This is not adjustable with base openpilot.
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waitingforrivian

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Which installation guide(s) (photos/video) did you follow?
I'll install the same combo in my R1S next weekend, trying to do it in the quickest/best way possible.
Thanks.

Another installation update and tips. Received my Lukas harness today. On my 2023 R1S the existing plug does not have a particularly long cord, so you have to back it completely back to the LEFT of the support. Then you can slide the new plug directly in. I used a combination of fingers around and behind the left side of the support to help guide the new plug in, which made it significantly easier. Took me about 10 minutes.

First drive was fine - however, my comma 3x screen was super dim and I really couldn't see anything. So I made the stupid decision to reboot the comma 3x (I couldn't and still can't find an option to increase screen brightness). Don't do this. I repeat. Don't do this. All kinds of errors were thrown and I couldn't put my vehicle in drive. It took 4 reboots to get back driving ability and it's still throwing some errors periodically. I'm hoping that these just clear with time.

Routing the USB-C (I used a 10 foot cable) was fairly easy - the hardest part was getting the camera cover by the rearview mirror off which invariably tears a few of the metal clips off the plastic and need to be placed back on. Taking this cover off multiple times is not recommended.

Anyway, if anyone knows how to increase the comma 3x screen brightness let me know. Hopefully I don't have a defective unit.

Edit: Initial test drives with OpenPilot are as others have described - super smooth and chill. Much much better option than Driver+ simply because it works on more than 0.1% of roads. No ping ponging between lane lines. Will be nice to have the longitudinal control but if it never happens this is still easily worth the upgrade.

Edit 2: Other users have indicated that comma screen darkness during daylight is a common complaint. This is not adjustable with base openpilot.
 

Ecupip

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Another installation update and tips. Received my Lukas harness today. On my 2023 R1S the existing plug does not have a particularly long cord, so you have to back it completely back to the LEFT of the support. Then you can slide the new plug directly in. I used a combination of fingers around and behind the left side of the support to help guide the new plug in, which made it significantly easier. Took me about 10 minutes.

First drive was fine - however, my comma 3x screen was super dim and I really couldn't see anything. So I made the stupid decision to reboot the comma 3x (I couldn't and still can't find an option to increase screen brightness). Don't do this. I repeat. Don't do this. All kinds of errors were thrown and I couldn't put my vehicle in drive. It took 4 reboots to get back driving ability and it's still throwing some errors periodically. I'm hoping that these just clear with time
This isn’t normal behavior. You should be able to reboot or even turn off comma at any point. I’ve had to reboot mine 10-15 times while driving to either get it to wake up for the first drive or clear a storage full error. Only one of those times did the Rivian even complain, because I had the cruise control set. It warned the cruise system was unavailable and warned to turn off cruise control.
 

ksujeff99

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Another installation update and tips. Received my Lukas harness today. On my 2023 R1S the existing plug does not have a particularly long cord, so you have to back it completely back to the LEFT of the support. Then you can slide the new plug directly in. I used a combination of fingers around and behind the left side of the support to help guide the new plug in, which made it significantly easier. Took me about 10 minutes.

First drive was fine - however, my comma 3x screen was super dim and I really couldn't see anything. So I made the stupid decision to reboot the comma 3x (I couldn't and still can't find an option to increase screen brightness). Don't do this. I repeat. Don't do this. All kinds of errors were thrown and I couldn't put my vehicle in drive. It took 4 reboots to get back driving ability and it's still throwing some errors periodically. I'm hoping that these just clear with time.

Routing the USB-C (I used a 10 foot cable) was fairly easy - the hardest part was getting the camera cover by the rearview mirror off which invariably tears a few of the metal clips off the plastic and need to be placed back on. Taking this cover off multiple times is not recommended.

Anyway, if anyone knows how to increase the comma 3x screen brightness let me know. Hopefully I don't have a defective unit.

Edit: Initial test drives with OpenPilot are as others have described - super smooth and chill. Much much better option than Driver+ simply because it works on more than 0.1% of roads. No ping ponging between lane lines. Will be nice to have the longitudinal control but if it never happens this is still easily worth the upgrade.

Edit 2: Other users have indicated that comma screen darkness during daylight is a common complaint. This is not adjustable with base openpilot.
What’s your verdict after a short time using the Comma 3x?

I’m seriously considering it, but at $1,000 I question if it’s really worth it to me. Then again, Ford charges $500/year for Blue Cruise so I guess $1,000 isn’t that big of a stretch.

My other concern about the Comma device is that I’ll end up constantly working on it (updating software, changing settings, etc.) just to make it work reliably.
 

risingphoenix

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What’s your verdict after a short time using the Comma 3x?

I’m seriously considering it, but at $1,000 I question if it’s really worth it to me. Then again, Ford charges $500/year for Blue Cruise so I guess $1,000 isn’t that big of a stretch.

My other concern about the Comma device is that I’ll end up constantly working on it (updating software, changing settings, etc.) just to make it work reliably.
For me it's a no brainer. I like having autopilot as often as possible. If you want the capability of Driver+ but on every road it will give you that plus will be much smoother and confident than Driver+. Still the potential for more improvement (if they figure out how to intercept set speed to take over longitudinal control) but I am using it on every drive. Having said that, it is early on development. I briefly tried a different fork and that wasn't ready yet so just using base OpenPilot for now. If you don't like autopilot and love to drive manually then it wouldn't really be worth it. It's not perfect yet (takes curves too fast like Driver+ and needs a more gradual slowing when approaching a car ahead at stop light) but that's the beauty of actively developing software (as opposed to Driver+ which is essentially EOL).
 

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ksujeff99

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For me it's a no brainer. I like having autopilot as often as possible. If you want the capability of Driver+ but on every road it will give you that plus will be much smoother and confident than Driver+. Still the potential for more improvement (if they figure out how to intercept set speed to take over longitudinal control) but I am using it on every drive. Having said that, it is early on development. I briefly tried a different fork and that wasn't ready yet so just using base OpenPilot for now. If you don't like autopilot and love to drive manually then it wouldn't really be worth it. It's not perfect yet (takes curves too fast like Driver+ and needs a more gradual slowing when approaching a car ahead at stop light) but that's the beauty of actively developing software (as opposed to Driver+ which is essentially EOL).
Well F. That’s not the answer I was looking for! /S :)

I think you’ve sold me. I agree to using it on every drive. I use Driver+ every time I can. Thankfully in KC almost all major routes have Driver+ enabled which is nice. But it’d sure be nice to have it on unmapped, divided lane roads and two lane roads.

I would complain about having to buy something else to enable the functionality (hands free) that we were promised, but given the fact that I got early adopter pricing and the $7,500 tax credit, I’m still way ahead of the curve. I could still almost sell my 2022 R1T for the price I paid!
 

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I've had mine for a few weeks now & cannot believe how I drove before without it... On the interstates, it's put Driver+ to shame. No more tugging on the steering wheel every 15-20 secs is more than enough to have this upgrade & it's a Major Win-Win for me as it works on every road I travel while I Test Wireless E911 Calls, even down to the unpaved country back gravel/dirt roads. Yes it's not perfect, but the team behind this amazing upgrade for Gen 1 RS's are hard at making this a truly amazing option for us Rivians'. After 67,000 miles My Adventure Begin's A-New for me & Tarkus :cool:

{Tarkus across from Sandy Hook, NJ Shores}
Rivian R1T R1S Comma AI / OpenPilot Autopilot Progress on R1! 20250326_095816
 
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JM.

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I got this today, after several days of trying to contact them about a 3X that arrived with a problem. They have very poor customer service response times, and I had to try via several methods to get this answer.


-----
Unfortunately, this is a software issue affecting a handful of recent devices. The engineering team is working on shipping out a fix ASAP.

We're tracking this in this GitHub issue if you'd like to follow along there. We'll be in touch soon once we know more and hopefully have a fix in the next week.

NOTE: Your return period will start once this issue is resolved.

Github link: https://github.com/commaai/openpilot/issues/34971
 

DayTripping

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I've had mine for a few weeks now & cannot believe how I drove before without it... On the interstates, it's put Driver+ to shame. No more tugging on the steering wheel every 15-20 secs is more than enough to have this upgrade & it's a Major Win-Win for me as it works on every road I travel while I Test Wireless E911 Calls, even down to the unpaved country back gravel/dirt roads. Yes it's not perfect, but the team behind this amazing upgrade for Gen 1 RS's are hard at making this a truly amazing option for us Rivians'. After 67,000 miles My Adventure Begin's A-New for me & Tarkus :cool:
It has really increased my enjoyment a lot. The fact it works in so many more areas is a game-changer for me. I will say there are still some roads where there isn't enough torque for some of the turns but it is definitely getting there.
 

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I have a basic question for folks out there using the Comma 3x. There are several Comma threads and I don’t recall seeing this asked before. Once longitudinal control is worked out and the system is no longer relying on the native Adaptive Cruise Control (ACC), will it be possible to make changes which are forbidden when the native ACC is in use by itself or as part of Highway Assist?

As an example, I’d love to be able to change ride comfort without disengaging the system. I think this should be possible because with longitudinal control the Comma unit should be doing 100% of the vehicle control without using ACC so anything I can do while I am driving without ACC should be possible while the Comma unit is controlling the vehicle. Does that sound reasonable?
 

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DayTripping

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The premise sounds reasonable but that might get tripped up by when you engage everything by pulling down the stalk. Hopefully that doesn't trigger anything.

I'd love to be able to change drive modes and suspension as well.
 

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I have a basic question for folks out there using the Comma 3x. There are several Comma threads and I don’t recall seeing this asked before. Once longitudinal control is worked out and the system is no longer relying on the native Adaptive Cruise Control (ACC), will it be possible to make changes which are forbidden when the native ACC is in use by itself or as part of Highway Assist?

As an example, I’d love to be able to change ride comfort without disengaging the system. I think this should be possible because with longitudinal control the Comma unit should be doing 100% of the vehicle control without using ACC so anything I can do while I am driving without ACC should be possible while the Comma unit is controlling the vehicle. Does that sound reasonable?
If you can prove that concurrent changes don’t break anything then it’s reasonable.
 

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If you can prove that concurrent changes don’t break anything then it’s reasonable.
I can’t prove anything because I don’t have a Comma unit so I have no experience with the system. I hope someone who is using one can provide some useful feedback regarding the likelihood of this or, when longitudinal control is enabled, test and provide proof.
 

risingphoenix

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I can’t prove anything because I don’t have a Comma unit so I have no experience with the system. I hope someone who is using one can provide some useful feedback regarding the likelihood of this or, when longitudinal control is enabled, test and provide proof.
enabling OP with a single down click of the stalk put the Rivian in TACC. You can’t make those changes in TACC.
 

SoCal Rob

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enabling OP with a single down click of the stalk put the Rivian in TACC. You can’t make those changes in TACC.
That’s why I wrote this in initial question, with emphasis added now:
Once longitudinal control is worked out and the system is no longer relying on the native Adaptive Cruise Control (ACC), will it be possible to make changes which are forbidden when the native ACC is in use by itself or as part of Highway Assist?
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