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Owner complaints

Problem reports owners file with NHTSA. A rough signal, not verified defects.

Owner complaints are problem reports drivers file directly with NHTSA, describing failures or safety concerns. The agency uses complaint patterns to decide where to open investigations.

Complaints are unverified and the volume scales with sales, so use them as a rough signal rather than a defect count. Clusters around one component, transmissions or engine fires for example, are the patterns worth attention.