# NHTSA Defect Petition DP78060
> **SEAT BELTS DON'T UNLOCK** · Opened 1978-09-13 · Closed 1978-12-07
## Investigation
- **Action number:** DP78060
- **Type:** Defect Petition
- **Open date:** 1978-09-13
- **Close date:** 1978-12-07
- **Manufacturer:** General Motors, LLC
- **Affected makes:** CHEVROLET
- **Affected components:** SEAT BELTS
- **Affected model years:** 1977
- **Affected (make, year) variants:** 1
## Summary

SEAT BELTS DON'T UNLOCK

## Source
- [NHTSA ODI investigation page](https://www-odi.nhtsa.dot.gov/owners/SearchResults?searchType=ID&targetCategory=I&searchCriteria.nhtsa_ids=DP78060)
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