Reprogram or not after switching size from 21" to 20" AT tires/wheels?

[22R1S]

I have a launch edition R1S with 21”. I’ve always disliked their look (and wear) and was lucky enough to score a brand new set of 20” AT at an unbelievable price. My question to you guys, pay the $120 to have a mobile service to reprogram the software? Or don’t bother?

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[madgrey]

Sounds like you are not going back to 21s? I'd pay the $$ for the reprogramming. It's a one time thing. I change my wheels twice a year so I don't reprogram (only 4 months or so with the odd size).

 

[Cycliste]

It depends on your personality—if you want better accuracy, reprogram. Odometers tend to overstate your speed compared to the most accurate method which is gps based speed.

 

[madgrey]

It's not just an issue of odometer/speedometer/range accuracy. Part of the reprogramming is to "calibrate the cameras". You don't want to miss out on whatever that is. I think.

 

[bpeter]

How has this not been implemented in the settings app yet? Such a basic option to put in there.

 

[Lizardo]

Lucky one who got the the tires in Dallas area? Was too slow.

 

[22R1S]

How has this not been implemented in the settings app yet? Such a basic option to put in there.

Like Tesla has? Agreed. I understand not supporting third party, but switching between OEM wheel/tire packages seems an easy add to software. I don't swap with the seasons but there is a large percentage of Rivian owners who do

 

[22R1S]

Lucky one who got the the tires in Dallas area? Was too slow.

Mmmmmaaayyybbeeeeee

 

[Whataboykie!]

If your wheels end up being the same diameter, why would you have to re-program the truck? I switched from 21's to 20's with a beefier tire that had just about the same diameter, and have had no issues whatsoever.

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