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Over-the-air update 661.10

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)
TypeOver-the-air update
NHTSA id11032919
Published by NHTSA2026-05-26
Manufacturer's number661.10
Manufacturer's date2026-05-06
Campaign id or software version661.10
NHTSA componentUNKNOWN OR OTHER
Manufacturer's systemACP: ACP2 (ADAS Compute Platform 2)

NHTSA's summary

• Improvements to the availability of driver assistance features.

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
BUICK ENCLAVE2024, 2025, 2026
CHEVROLET TRAVERSE2024, 2025, 2026
GMC ACADIA2024, 2025, 2026

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