I reveal that I’ve owned two S90s (2018 and 2020) - along with all the experiences with loaners during that time that exhibited the same behavior - and you’re going to double-down that there must be something wrong with my “cars” (plural)? I’ll let you think about the statistical absurdity of that postulation.
There are one of two explanations: either there’s something different in hardware/software between European and NA market cars, or your threshold of “perfectly smooth” operation is pretty low.
That being said, if I discover some issue that is causing the problem, I’ll be the first to come back here and admit/share it!
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Well, yes, car*s*, because you have owned two, which is more than one, necessitating the use of the plural case.
The T4 was obviously a European-spec car, but the V90 is NA spec (Canada).
Your argument outlining a near-statistical impossibility applies inversely in my case.
The european V90 that I drove for over 2500 miles, my current V90, and the several loaners I’ve had (mostly long-term test drives) have never bounced around in a lane, apart from one which the dealer told me was having problems due to an incorrect calibration.
Are you saying that all these cars, having met design criteria, apart from that one with the stated problem, are unique?
And also that the several cars you’ve driven have (regrettably) had the same problem is statistically impossible, and instead is a design limitation? Really?
If it’s a design limitation from the start, everyone would be having those symptoms while operating it, on all curves. They don’t.
I’m not saying it’s as smooth as a human driver overall — I’m saying it doesn’t bounce around in the lane.
I think that the two possibilities you’ve outlined form a false dichotomy, and there are actually many more possible explanations to the issues with PA that you have unfortunately had.
Perhaps both of us have gotten lucky and unlucky, respectively, with the cars we’ve driven. Or the roads in our respective areas are different (shocker) which can either hinder or lend itself to the system being able to complete its task as designed (personally, I think this is very probable). Or, we are misunderstanding each others’ points. Or, like other people have said, maybe lane keep sometimes interferes with PA. Etc.
I don’t think my criteria of smooth driving is lacking, and neither have any of my passengers, one of which has been a nonegenarian uncomfortable with being in cars at all and is nervous during lane changes and faster turns, along with several others that have severe car sickness during spirited driving— not triggered, ever, when using PA. I think that’s more of an ad-hominem than anything else.
Per my (and others’) experience, it is possible for Pilot Assist to keep the car perfectly centered and take curves smoothly. Thus, the design
can achieve it, striking down the statement that the design itself is incapable of doing so at all.
The cars you’ve experienced haven’t worked, thus the whole thing is flawed? Generalization.
The worst thing I’ve seen has been the system letting the car get too close to one side of the lane during a sharper curve, gradually correcting itself back to the middle, and once reaching the middle, staying there. This was during heavy rain.
