# Over\-the\-air update 661.20

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: 11030460
- Published by NHTSA: 2026\-04\-01
- Manufacturer's number: 661.20
- Manufacturer's date: 2026\-03\-02
- Campaign id or software version: 661.20
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: CSM, FCM: CSM \(Center Stack Module\), FCM \(Front Camera Module\)

## NHTSA's summary

• Improvements to availability of Lane Keep Assist. • Fixes to help ensure safety features remain functional when windshield freezes. • Fixes to diagnostics that impact Automatic Emergency Braking indicator. • Improvements to audio system performance. • Fixes to help ensure proper functionality for the center display.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030460-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030460-9999.pdf)

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

## Vehicles listed

- 2024 to 2025 CHEVROLET CORVETTE
- 2024 CHEVROLET CORVETTE E\-RAY

JSON: [/v1/bulletins/11030460](/v1/bulletins/11030460)

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