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Over-the-air update 663.40

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 id11036486
Published by NHTSA2026-08-31
Manufacturer's number663.40
Manufacturer's date2026-08-12
Campaign id or software version663.40
NHTSA componentUNKNOWN OR OTHER
Manufacturer's systemVCU: VCU (Virtual Cockpit Unit)

NHTSA's summary

• Better responsiveness for the driver display and rear-view camera • Surround Vision Recorder, a new feature that allows you to record, watch, and save video from your vehicle's cameras. • Security Recording, a new feature that can automatically begin recording if your vehicle's alarm is triggered while it is parked.

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
CADILLAC CELESTIQ2025, 2026

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