R1S ventilated seats issue?

[AspenDriver]

I have a concern about our ventilated seats; they seem to have stopped functioning. We have a 2026 R1S; I've searched the forum and have seen a few posts about ventilated seat issues for earlier models.

Context: Where I live, we have been experiencing a few weeks of very hot days, in the 90s (F) and with occasional heat index of near or above 100F. Recently, I seem to get no benefit from turning on the ventilated seat, regardless if I am a front-seat passenger or a driver. The heat function for those seats is still working properly.

Has anyone else with a 2026 vehicle been experiencing similar issues? I know it takes time to "clear" the hot air inside the cabin when turning on the A/C, but prior to this year, I experienced cool air through the ventilated seats nearly right away. This past week, although I hear the fan kick in when I activate the ventilated seats, I feel absolutely no difference, whether the seat function is on zero, 1, 2, or 3.

Rivian has arranged for a mobile visit but in the meantime, I thought I'd post here in case any of you have thoughts or have had similar experiences.

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[Dark-Fx]

They are just fans that pull from the space behind the seats. Turn on the rear floor vents and you'll get more conditioning.

 

[3wisemonkeyz]

It’s one of my top 4 gripes about my 23 R1S. The top are:

1. Rattles
2. system can’t (or won’t?) remember to keep passenger vents off and bottom vents on from drive to drive, which exacerbates the wimpy ventilation issue
3. Ventilated seats
4. Wind noise

 

[Bob Kruger]

My (new 9/26) R1S ventilated seats were always amazing. Level 3 was typically way too cold. Then one day my passenger turned theirs on and poof- the driver’s side wasn’t cooling. It’s been intermittent since. Ugh.

 

[TollKeeper]

Its one of the biggest gripes I have on my 24 R1S. I just got it back from service where the were supposed to fix it... It still isnt working.

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