Annoying hands free issue

[kdn]

When in Hands Free mode, I have noticed that my truck frequently slows down abruptly or comes to a complete stop when it detects cars parked on the side of the road, even when there is more than sufficient clearance. Additionally, it often brakes unnecessarily when another vehicle crosses the road ahead, even if that vehicle will be clear of my path well before I arrive.

The only way to override this behavior is to press the accelerator and keep floored for a while.

Aside from these specific issues, the system works as advertised and I appreciate the functionality.

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[Joe Hoffman]

“Floored”? Really?

 

[sgrinavi]

When in Hands Free mode, I have noticed that my truck frequently slows down abruptly or comes to a complete stop when it detects cars parked on the side of the road, even when there is more than sufficient clearance. Additionally, it often brakes unnecessarily when another vehicle crosses the road ahead, even if that vehicle will be clear of my path well before I arrive.

The only way to override this behavior is to press the accelerator and keep floored for a while.

Aside from these specific issues, the system works as advertised and I appreciate the functionality.

It does brake hard and early when it sees a possible problem, this is why it takes more than a good sensor suite for level 2 autonomy. Tesla FSD did the same shit before they revamped the system.

 

[loqueid]

Happens to me, even in just adaptive cruise. I switch the screen to autonomy mode and almost every time it happens I see a blue sedan appear that intersects the Rivian image turning right. I'm logging each incident and will file a ticket soon. Has been happening for over 2 weeks.

 

[Dasoss]

When in Hands Free mode, I have noticed that my truck frequently slows down abruptly or comes to a complete stop when it detects cars parked on the side of the road, even when there is more than sufficient clearance. Additionally, it often brakes unnecessarily when another vehicle crosses the road ahead, even if that vehicle will be clear of my path well before I arrive.

The only way to override this behavior is to press the accelerator and keep floored for a while.

Aside from these specific issues, the system works as advertised and I appreciate the functionality.

I have noticed this behavior. I chalked it up to a consecutive safety attitude of the designers. Could also come from a safety bias among the training data from the professional drivers that created it. After the curent system is a drivrr assyst only. I'm guessing that will happen less often as the AI improves. Particularly, when the R2 gets LIDAR and the advanced AI hardware.

 

[CharonPDX]

It does brake hard and early when it sees a possible problem, this is why it takes more than a good sensor suite for level 2 autonomy. Tesla FSD did the same shit before they revamped the system.

Tesla FSD *STILL* does this. Just not as often as it used to.

 

[Osyras]

Not to mention it wants to slow down below the speed limit for some bends in the road, while it stays at speed on others that you would expect it to slow down for....

 

[SwampNut]

My gen 1 adaptive never does this, which is a big improvement over Tesla AP.

 

[Matchbox]

Don't have hands free but it occurs with adaptive cruise. Very disconcerting worrying about being rear ended as it will occur at highway speeds (act like it is coming to a complete stop). And yes, I am flooring it as the the slow down is as sharp as turning off cruise with high regen - like slamming on the brakes. So it becomes a moments of complete chaos of stopping cruise, flooring the accelerator and looking that I do not get hit.

 

[kewlasu]

My gen 1 on adaptive cruise will sometimes do this when a phantom car suddenly appears in front of me shown in the driver's display, but no vehicle ahead of me. I believe this started about 3 updates previously.

 

[godfodder0901]

My gen 1 on adaptive cruise will sometimes do this when a phantom car suddenly appears in front of me shown in the driver's display, but no vehicle ahead of me. I believe this started about 3 updates previously.

I can confirm this has been an issue for the last 4 years. Definitely not a recent thing, but highly dependent on environmental conditions. I find it MUCH more frequent with long shadows perpendicular to the roadway and vehicles parked on or near the shoulder.

 

[Matchbox]

Had it happen yesterday with a car passing me on the left on a four lane highway. Vehicle wanted to stop at highway speeds. Very disconcerting. I have rented dozens of vehicles with adaptive cruise control and none have given me grief or acted like this Rivian adaptive cruise control.

 

[Zoidz]

My gen 1 adaptive never does this, which is a big improvement over Tesla AP.

My Gen 1 did it yesterday. I was using Driver assist. There was a car stopped about 3 feet off the right shoulder. The brakes were applied not so gently for about a second until it decided it was not really a hazard.

 

[Matchbox]

Had a new one yesterday on a two lane highway with trees hanging low. No other cars, no signs or anything on the side of the road but trees. It seems that the overhanging trees confused the adaptive cruise control and the truck started to stop in the middle of no where. Powered through, but this is getting a bit absurd. "Me thinks that my truck thinks too much."

I tolerate sketchy/not working music systems, front half shaft replacements, new 12V batteries and a lot of little things. But not having a reliable cruise control may be what makes me look for other EVs.

 

[loqueid]

Happens to me, even in just adaptive cruise. I switch the screen to autonomy mode and almost every time it happens I see a blue sedan appear that intersects the Rivian image turning right. I'm logging each incident and will file a ticket soon. Has been happening for over 2 weeks.

So I found the problem to my specific issue. I was getting the Reliant checked out by a collision center (rear ended) and he notice this thing sticking out of the front passenger corner.

I took off the tire and held part of the panel open to see that it became jarred out of it's holder. I'm glad I checked it out, because as I went to check the drivers side, that was also loose!

I put them back in and all the sensor errors and "ghost cars" I've been seeing for the last month+ are now gone!

I am a little concerned, as you can see, that it may come loose again, as one of the tabs is not completely engaged. Trying to think of a wire or material I can use to wrap around the top and bottom tabs that will hold this in long term.

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