frostbit3
Well-Known Member
- Joined
- Nov 2, 2021
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- Location
- Allen, Texas
- Vehicles
- 2022 Rivian R1T
- Occupation
- Engineer
I also learned over my last road trip that the R1T won't let you use ACC or Driver+ above 85MPH. Wasn't ideal for me as the speed limit through 130 south of Austin is 85MPH, but I was actually only doing like 80MPH since the spedometer is a bit off (verified with Waze which obviously there's a margin of error there too).FYI, this was intentional by Rivian, and they will be tweaking over time.
From the horse's mouth (VP of Software):
This is currently by design. We apply a safety margin of ~5% in the speed shown on display. We will apply a tighter margin in future OTA updates.
Note that this only impacts the speedo, and does not impact the internal vehicle electronic units, which use the actual vehicle speed.
I disabled ACC and Driver+ and drove 90MPH according to the spedo, even though I was only actually doing ~85MPH.
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