Service bulletins for the 2021 GMC Terrain
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.
696 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Driver assistance are shown. Show all
| PIT5551F | 2020-11-16. Service bulletin. FORWARD COLLISION AVOIDANCE. This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert". |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.