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NHTSA Expands Tesla FSD Probe After Fatal Incidents

3/20/2026

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Summary

Story summary

The National Highway Traffic Safety Administration (NHTSA) has escalated its investigation into Tesla's Full Self-Driving (FSD) technology, focusing on low-visibility performance in more than 3 million vehicles.
The probe stems from nine incidents causing two injuries and one death, highlighting degraded-visibility detection and driver alerts.
This investigation follows earlier probes in 2024 and 2025 that flagged FSD-related crashes.
If a safety defect is confirmed, a recall may be mandated.

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Story summary

The National Highway Traffic Safety Administration (NHTSA) has escalated its investigation into Tesla's Full Self-Driving (FSD) technology, focusing on low-visibility performance in more than 3 million vehicles.
The probe stems from nine incidents causing two injuries and one death, highlighting degraded-visibility detection and driver alerts.
This investigation follows earlier probes in 2024 and 2025 that flagged FSD-related crashes.
If a safety defect is confirmed, a recall may be mandated.