{"vehicle":{"brand":"Nissan","model":"Sentra","segment":"Compact sedan","modelYears":"2000-2026","sourcePriority":["Nissan USA Owner Manuals","NHTSA VIN Decoder API"],"priorityTier":"expanded","maintenanceHighlights":["engine oil","CVT fluid","spark plugs","coolant"]},"totalScheduleItems":0,"schedule":[],"parsedCoverage":{"totalRecords":8,"availableYears":[2020],"categories":["Drivetrain and transmission","Filters and ignition","Fluids"]},"parsedRecords":[{"id":"2020-nissan-sentra-engine-oil-and-filter-normal","brand":"Nissan","model":"Sentra","year":2020,"engine":"2.0L I4","drivetrain":"FWD","itemId":"engine-oil-filter","action":"replace","condition":"normal","intervalMiles":10000,"intervalMonths":12,"intervalSource":"fixed","extractionMethod":"table-row","parserConfidence":"high","notes":"Nissan Altima engine oil and filter interval for standard driving conditions.","sourceName":"Nissan USA Maintenance 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