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  1. Rivian R2 Tire Inflation Alert

    You are talking about Indirect TPMS vs Direct TPMS. Indirect TPMS is an extension of ABS system—calculated pressure from what each wheel speed sensors report. Direct TPMS systems are all pressure sensors, attached to each tire valve, and report pressures of each tire to receivers at each corner...
  2. Rivian R2 Tire Inflation Alert

    What's this then? "Most modern cars" have it because their manufacturers are required, by law, to have it. Or it cannot be sold to customers in the US. Software can dictate how often the system queries each TPMS sensor. However, each sensor has sealed and non-serviceable battery. Constant...
  3. Borealis a Consideration?

    If you like it... If you don't like it... Honestly, who cares? If it's not for you, it's not for you. Nothing to sort out. If someone else get one, it's their prerogative and they are not spending your money.
  4. Rivian R2 Tire Inflation Alert

    It's a federal mandate and a function of TPMS systems. Federal Motor Vehicle Safety Standard No. 138. Originally part of TREAD Act, which became law on Nov. 1, 2000 and fully phased in by Sept. 1, 2007. All new cars produced after this date has the system. Warning is triggered when one or more...
  5. R1T Recall

    Connoisseurs of gourmet nothing burgers.
  6. Motion sickness for kids in rear?

    Re: one pedal driving… Two words to live by: modulation and adaptation. Much hoopla about this. It’s really not as insurmountable as some make out to be. In an EV of this design, the pedal is not a binary on/off switch. It’s that and everything in between the two states. Think of it as a volume...
  7. Aftermarket R2 Crossbars available now

    tsk tsk tsk Red flags galore. Nonsensical brand name. Overseas origin. Clearly a knock-off, with unknown engineering and manufacturing. Most of all, no information on max dynamic load limits (i.e. zero testing!!). Wayward cargo and damages (or, worse, fatalities) waiting to happen. And then...
  8. ZEVcentric 18" wheels for R2

    IMO, it's the best and most sticky way to learn. Between load and speed, load is more important. You want to be sure your tires can support dynamic weight of your car. Plus, sellers/installers will not put their businesses at risk by allowing you to buy/run tires that do not match or exceed...
  9. ZEVcentric 18" wheels for R2

    Hmm. If efficiency is not biggest concern, go with what you like and leave to rest to quest for knowledge? 🤷🏻‍♂️
  10. ZEVcentric 18" wheels for R2

    If total tire & wheel weight is similar to any of the factory offerings, it should be fine (close enough).
  11. ZEVcentric 18" wheels for R2

    Look into info on static vs rotational mass. If rolling resistance of compound were exactly the same and all else (except weight) was equal… laws of physics guarantees the 6 lb heavier (static) tire will consume more energy. Your driving is a factor too. If most of your driving is steady speed...
  12. Cybertruck Laugh of the Day [⚠️ WARNING: NO POLITICS; MEMBERS BANNED]

    Sad to you. Nothing to me. You can probably buy Kleenex in bulk at Costco. Give that a try.
  13. Cybertruck Laugh of the Day [⚠️ WARNING: NO POLITICS; MEMBERS BANNED]

    Right. Whatever you want to tell yourself.
  14. ZEVcentric 18" wheels for R2

    At cost of efficiency. As cars get bigger, narrow tires do look out of proportion.
  15. Video: R2 Crossbars Unboxing/Install/Comparison to R1 Crossbars

    The mounts are different. So no cross compatibility. Strange decision, among others, to not share parts. They probably have their reasons.
  16. Have original R1 half shafts been revised?

    Rivian isn't the only heigh-riding truck ever produced. If that theory holds, then half shaft failures would be common occurrence. I still think it's a matter of manufacturing and/or engineering specs that aren't quite up to snuff (to the forces the shafts and the splines at the ends would see...
  17. Have original R1 half shafts been revised?

    "I heard it on the internet"... Yah, that has always worked. ;) I think the crux of the issue is more about tolerances and manufacturing. Too much tolerance = slop and wear due to movement. Not enough tolerance = strain and wear/failure. Official guidance has always been to default to All...
  18. Have original R1 half shafts been revised?

    That doesn’t sound right at all. Standard height is default for All Purpose, the mode that is designed for nearly all occasions. And alignment is optimized for it. I don’t see how a lower height and suspension angle deviations from it could possibly reduce strain on components. If anything the...
  19. Rivian Service Center balancing Hankook Ion HTs trouble

    But did the car exhibit any behaviors/signs that informed you alignment is off? or you just took SC's word for it?





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