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NHTSA campaign 26V508000

2025–2026 Rivian R1S and 1 other Rivian model: exterior lighting recall

Turn signals that do not function properly increase the risk of a crash.

high3,829 vehicles affectedFMVSS 108

What was reported

Source: manufacturer filing, 49 CFR Part 573
ProblemRivian 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."RiskTurn signals that do not function properly increase the risk of a crash.FixRivian 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.

Reported to NHTSA Aug 5, 2026 by Rivian Automotive, LLC.

Which vehicles are covered

Source: NHTSA campaign 26V508000

Vehicles built Jun 12, 2024 to May 26, 2026 — a VIN outside that window is not part of this campaign even if the year, make and model match.

Model yearClassSafety SignalRecalls on file
2025 Rivian R1SLarge SUVF10
2026 Rivian R1SLarge SUVB2
2025 Rivian R1TLarge Pickup truckF7
2026 Rivian R1TLarge Pickup truckA1

Those are the model years inside WhichTrim's range, 2016 onward. The campaign may cover others outside it, and the only thing that settles whether one specific vehicle is included is its VIN.

The federal paperwork

Source: nhtsa.gov

Filed documents

  • Defect report PDF — The manufacturer's own filing to NHTSA describing the defect, the risk and the affected build range.

Check one specific vehicle

A recall applies to a build range, so year, make and model cannot settle it. NHTSA checks a VIN against the manufacturer's own list and tells you whether the repair is still outstanding on that vehicle.

NHTSA VIN recall lookup →

Campaign 26V508000 · the manufacturer calls it FSAM-1833

Common questions

Source: NHTSA, 49 CFR Part 573

Does this recall repair cost anything?

No. Federal law requires the manufacturer to remedy a safety defect or a compliance failure at no charge, for vehicles up to 15 years old measured from the date of first sale. A dealer that asks you to pay for a recall repair is in the wrong.

How do I know whether my vehicle is included?

By VIN, not by model year. This campaign covers vehicles built Jun 12, 2024 to May 26, 2026. The manufacturer files a build range with NHTSA and only vehicles inside it are covered, so two identical-looking cars from the same year can differ. NHTSA's own lookup checks a VIN against the manufacturer's list.

What if the repair is not available yet?

It happens, and often. Manufacturers must notify owners when a defect is found even if the parts or the software are not ready, then notify them a second time once the remedy exists. The remedy filed for this campaign is described above.

What did the manufacturer say was wrong?

The problem, risk and fix quoted on this page are the manufacturer's own words as filed with NHTSA under 49 CFR Part 573. WhichTrim does not paraphrase them.

Who started this recall?

NHTSA's record credits the manufacturer. A recall can begin with the manufacturer's own testing, with a defect investigation, or with a compliance test against a Federal Motor Vehicle Safety Standard.