Overview
Decodes a 17-character VIN into full vehicle details, backed by NHTSA's vPIC data (US Govt public domain). Returns make, model, model_year, manufacturer, plant country, body class, vehicle type, fuel type, engine cylinders/displacement/HP, drive type, transmission, GVWR, safety features (ABS, traction control, airbags), and any decode errors. Includes a `valid_checksum` flag (ISO 3779 mod-11 check; reliable for North-American VINs). Use it as a VIN decoder, VIN lookup, vehicle identification num