Over-the-air update 661.50
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.
| Type | Over-the-air update |
|---|---|
| NHTSA id | 11033770 |
| Published by NHTSA | 2026-06-09 |
| Manufacturer's number | 661.50 |
| Manufacturer's date | 2026-06-03 |
| Campaign id or software version | 661.50 |
| NHTSA component | UNKNOWN OR OTHER |
| Manufacturer's system | RSI: RSI (Rear Seat Infotainment) |
NHTSA's summary
• Improvements to help prevent loss of audio, including chimes and turn signal indicator sound • The rear passenger display will prompt you to add headphones when that is the selected audio option
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.
| CADILLAC ESCALADE | 2026 |
|---|---|
| CADILLAC ESCALADE ESV | 2026 |
| CHEVROLET SUBURBAN 1500 | 2026 (the catalog's model; the bulletin names a series or trim of it) |
| CHEVROLET TAHOE | 2026 |
| GMC YUKON | 2026 |
| GMC YUKON XL | 2026 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.