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Service bulletin 37421

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11025988
Published by NHTSA2025-12-02
Manufacturer's number37421
Manufacturer's date2025-11-08
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

- This is a Technical Journal: Wind Noise from Side Window. Before replacing any parts, follow the checklist below.
 1. Check the calibration of the window. Recalibrate if needed.
 2. Inspect the sealing for any damages or deformations. Replace if needed

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
POLESTAR POLESTAR 32024
POLESTAR POLESTAR 32025, 2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.