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Service bulletin TB-17-76-21

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 id10191389
Published by NHTSA2021-05-03
Manufacturer's numberTB-17-76-21
Manufacturer's date2017-12-04
NHTSA componentVISIBILITY:POWER WINDOW DEVICES AND CONTROLS

NHTSA's summary

Front Window Inspection and adjustment

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

Glass, wipers and mirrors, Power windows

Vehicles listed
KARMA REVERO2017

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