---
title: INCarAirCirculationMode.unknown
framework: intents
role: symbol
role_heading: Case
path: intents/incaraircirculationmode/unknown
---

# INCarAirCirculationMode.unknown

Unknown circulation mode.

## Declaration

```swift
case unknown
```

## See Also

### Constants

- [INCarAirCirculationMode.freshAir](intents/incaraircirculationmode/freshair.md)
- [INCarAirCirculationMode.recirculateAir](intents/incaraircirculationmode/recirculateair.md)