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Service bulletin 21NA216

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 id10207912
Published by NHTSA2022-02-14
Manufacturer's number21NA216
Manufacturer's date2021-12-17
NHTSA componentUNKNOWN OR OTHER; SEAT BELTS: REAR/OTHER:BUCKLE ASSEMBLY

NHTSA's summary

This informational bulletin provides information for dealers/technicians on rear seat belt opening bezel service part not seating flush with C-pillar trim when installed.

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.

Components

Seat belts

Vehicles listed
GMC HUMMER EV PICKUP2022

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

Other bulletins for the same vehicles and component
99-09-40-005I2023-07-28. Service bulletin. This service bulletin provides information on availability for a seat belt extender.