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ACC/Pilot Assist Modification precautions
#11
(07-24-2023, 03:27 PM)afranke Wrote: Sorry if this has been covered (I searched and couldn't find), but when it comes to ACC do we actually know what the "levels" mean?  I'll admit at one point I just upped all the PA/ACC stuff (on my '23 V60 PE) to whatever the highest level is for awhile.  It worked just fine, no errors and hundreds of miles without incident.  I recently reverted the config to stock to get service and used the ACC on the way, and it felt "better". I can't really describe how, just more situated.  I think there was less hunting between the lines, it seemed to actually follow closer, and the braking seemed smoother.
That got me thinking of possible reasons.  One idea that stuck out in my head is that maybe the "levels" are related to the size of the vehicle for PA/ACC calculations.  I wonder if by changing to a higher level I made the system think it was a different sized model.  This could cause issues with lane hunting as the software doesn't know the car isn't as wide as it thinks it is, so it's constantly trying to "fill" the middle of the lane with the wrong sized car.  On top, the following distance would probably be increased for a heavier vehicle as it would take longer to come to a complete stop.
I wish I could browse all of the default config data Orbit has pulled from cars to compare and see if there is a trend or "default" collection of settings for certain features or models.

023 CRUISE CONTROL

01 Without cruise control
02 With cruise control
03 Adaptive cruise control, level 1
04 Adaptive cruise control stop & go, level1
05 not in use
06 Adaptive cruise control, level 2
07 Adaptive cruise control stop & go, level 2
08 Adaptive cruise control, level 3
09 Adaptive cruise control stop & go, level3

Also found this, but I'm not sure if this is related to the Pilot Assist, if someone could clarify that would be great

318 AUTO PILOT FUNCTION (HAD)

01 Without Auto Pilot
02 DM1.0
03 Auto Pilot level 1
04 Auto Pilot level 2
05 Auto Pilot level 3

Found on Google:

Level 1
Where the vehicle can be kept at a safe distance behind the next car, qualifies as Level 1 because the human driver monitors the other aspects of driving such as steering and braking.

Level 2
The vehicle can control both steering and accelerating/decelerating. Here the automation falls short of self-driving because a human sits in the driver’s seat and can take control of the car at any time.

Level 3
Vehicles have “environmental detection” capabilities and can make informed decisions for themselves, such as accelerating past a slow-moving vehicle. But―they still require human override. The driver must remain alert and ready to take control if the system is unable to execute the task.

Stop & Go
If traffic slows to a stop, most ACC systems will bring the car to a complete stop, then bring it back up to speed when traffic gets going again.

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RE: ACC/Pilot Assist Modification precautions - by vcorusa - 02-18-2024, 08:58 PM

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