{
  "title": "Visteon Vehicle Data Structure",
  "description": "Structural documentation for the VehicleData object returned by the Visteon Phoenix Vehicle API",
  "type": "object",
  "fields": [
    { "name": "speed", "type": "number", "required": false, "description": "Vehicle speed in km/h" },
    { "name": "fuelLevel", "type": "integer", "required": false, "description": "Fuel percentage 0-100" },
    { "name": "odometer", "type": "number", "required": false, "description": "Odometer in kilometers" },
    { "name": "engineRunning", "type": "boolean", "required": false, "description": "Engine state" },
    { "name": "gearPosition", "type": "string", "required": false, "description": "Current gear: P/R/N/D/1-6" },
    {
      "name": "hvac",
      "type": "object",
      "required": false,
      "description": "HVAC system settings",
      "fields": [
        { "name": "temperature", "type": "number", "description": "Set temperature in Celsius" },
        { "name": "fanSpeed", "type": "integer", "description": "Fan speed 0-7" },
        { "name": "isAcOn", "type": "boolean", "description": "AC active state" }
      ]
    }
  ]
}