# Service bulletin PIC6548B

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: Service bulletin
- NHTSA id: 11035349
- Published by NHTSA: 2026\-07\-30
- Manufacturer's number: PIC6548B
- Manufacturer's date: 2026\-07\-23
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates to the technician the direction needed when encountering an issue with switching between adaptive cruise control and regular cruise control or an issue with automatic high beam feature after the front camera was replaced.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035349-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11035349-9999.pdf)

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

## Vehicles listed

- 2020 to 2026 BUICK ENCORE GX
- 2024 to 2026 BUICK ENVISTA
- 2021 to 2026 CHEVROLET TRAILBLAZER
- 2024 to 2026 CHEVROLET TRAX

JSON: [/v1/bulletins/11035349](/v1/bulletins/11035349)

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