# 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.

- Type: Over\-the\-air update
- NHTSA id: 11031819
- Published by NHTSA: 2026\-05\-01
- Manufacturer's number: 661.10
- Manufacturer's date: 2026\-04\-16
- Campaign id or software version: 661.10
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: AMP, AOS, HUD: AMP \(Amplifier\), AOS \(Automatic Occupant Sensing Module\), HUD \(Heads Up Display\)

## NHTSA's summary

• The head\-up display will now be less likely to experience any loss of image. • Fixes to help ensure successful vehicle software updates. • Improvements to the performance of electric vehicle sound enhancement. • Fixes to help prevent loss of functionality for Dolby Atmos. • Fixes to ensure proper audio options display in menu.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031819-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031819-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2026 CADILLAC LYRIQ

JSON: [/v1/bulletins/11031819](/v1/bulletins/11031819)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Over-the-air%20update%20661.10&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11031819&vehicle=Over-the-air%20update%20661.10)