# Over\-the\-air update 654.20

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: 11028980
- Published by NHTSA: 2026\-02\-24
- Manufacturer's number: 654.20
- Manufacturer's date: 2026\-02\-19
- Campaign id or software version: 654.20
- NHTSA component: UNKNOWN OR OTHER
- Manufacturer's system: LRR, SRR, SBZA: LRR \(Long Range Radar\), SRR \(Short Range Radar\), SBZA \(Side Blind Zone Alert\)

## NHTSA's summary

• Improvements to the performance of Automatic Emergency Braking and Adaptive Cruise Control braking. • Fixes to help ensure proper functionality of Forward Collision Alert and availability of driver assistance features. • Improvements to the performance of driver assistance features. • Fixes to help ensure accurate driver display messages and alerts.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028980-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11028980-9999.pdf)

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

## Vehicles listed

- 2026 CHEVROLET BLAZER EV

JSON: [/v1/bulletins/11028980](/v1/bulletins/11028980)

[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%20654.20&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11028980&vehicle=Over-the-air%20update%20654.20)