Rivian R1s, Rivian R1t, model years 2025 to 2026. Filed by Rivian Automotive, LLC and reported to NHTSA on 6 August 2026. 3,829 vehicles potentially affected.
What the notice says Rivian Automotive, LLC (Rivian) is recalling certain 2025-2026 R1S and R1T vehicles. One or both front turn signals may fail to illuminate and flash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
Rivian's own number for this recall: FSAM-1833. That is the number on the owner letter and on the dealer paperwork. 26V508 is the number NHTSA gave the same campaign, and the number this page is filed under. They are one recall, written two ways.
What owners ask about this recall
- Which vehicles does recall 26V508 cover?
- Rivian R1S, Rivian R1T, model years 2025-2026.
- What is wrong with them?
- Rivian Automotive, LLC (Rivian) is recalling certain 2025-2026 R1S and R1T vehicles. One or both front turn signals may fail to illuminate and flash.
- What can happen if it is not put right?
- Turn signals that do not function properly increase the risk of a crash.
- Is there a fix yet?
- Yes, and it is free. Rivian will inspect and replace the front turn signals as necessary, free of charge. Owner notification letters are expected to be mailed September 29, 2026. Owners may contact Rivian customer service at 1-888-748-4261. Rivian's number for this recall is FSAM-1833.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on. Rivian calls this recall FSAM-1833, which is the number on the owner letter and the dealer paperwork.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “Turn signals that do not function properly increase the risk of a crash.”
affected
in the notice
caught
| Campaign | 26V508 |
|---|---|
| Filed by | Rivian Automotive, LLC |
| System at fault | Exterior Lighting:Turn Signal |
| Reported to NHTSA | 6 August 2026 |
| Model years | 2025-2026 |
| Vehicles named | RIVIAN R1S, RIVIAN R1T |
What the notice says today
The defect
Rivian Automotive, LLC (Rivian) is recalling certain 2025-2026 R1S and R1T vehicles. One or both front turn signals may fail to illuminate and flash. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, "Lamps, Reflective Devices, and Associated Equipment."
The consequence
Turn signals that do not function properly increase the risk of a crash.
The remedy
Rivian will inspect and replace the front turn signals as necessary, free of charge. Owner notification letters are expected to be mailed September 29, 2026. Owners may contact Rivian customer service at 1-888-748-4261. Rivian's number for this recall is FSAM-1833. This is an expansion of Recall 25V387. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on August 31, 2026.
What it said before
Nothing has changed while we have been watching. We last read the wording of this campaign on 17 September 2026, and it matched the copy we already held.
That copy hashes to a6457471dfffb7dbfbd68bc29bf5a373…, so if it is ever edited the change is provable rather than a matter of memory.
This is one of 663 notices in the record whose component field names exterior lighting. Across that group the median wait before owners were written to was 43 days.
Last checked . 1 change recorded in the wording since we started reading it daily, the latest on 1 October 2026.
Changed since our daily reading began
1 October 2026: the remedy was rewritten. Before: Rivian will inspect and replace the front turn signals as necessary, free of charge. Owner notification letters are expected to be mailed September 29, 2026. Owners may contact Rivian customer service at 1-888-748-4261. Rivian's number for this recall is FSAM-1833. This is an expansion of Recall 25V387. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on August 31, 2026.
After: Rivian will inspect and replace the front turn signals as necessary, free of charge. Owner notification letters were mailed September 28, 2026. Owners may contact Rivian customer service at 1-888-748-4261. Rivian's number for this recall is FSAM-1833. This is an expansion of Recall 25V387. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov on August 31, 2026.
Side by side
The models named here, across their whole recall history
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 26V508, wording as read on 17 September 2026. https://carsmultiverse.com/recall/26v508/
The copy quoted above hashes to a6457471dfffb7dbfbd68bc29bf5a373…. If the notice is reworded later, that fingerprint will not match, which is how a reader checks that the quotation was of the version we say it was.
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Rivian notices we hold
- 26V009: 2022-2025 R1T and 2022-2026 R1S
- 26V003: 2022-2025 R1S and R1T
- 25V816: 2022-2025 EDV
- 25V585: 2025 R1S and R1T
- 25V537: 2025 R1S and R1T
- 25V387: 2025 R1S and R1T
- 25V370: 2022-2025 R1T and R1S
- 25V085: 2025 R1S and R1T
All 23 Rivian campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 26V508 on 23 August 2026, they were:
- Defect summary
32b22750 - Consequence
bc6c8cae - Remedy
dc15471c
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 26V508 · how the whole register is watched
This notice names one vehicle among several registers that have written about it. Every notice this site holds for the Rivian R1s, in all seven, is kept on that vehicle's own page, with the newest in each.
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Owners of these cars
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