---
title: Modeling Variability 2
categories: demo
toc: false
...

Adding `CC` and `FCA` features.

```clafer
abstract Car
    ABS ?
    xor Transmission
        Automatic
        Manual
    FCA ?
        xor Sensor
            Radar
            Lidar
        xor Alert
            Haptic
            Audible
    CC ?
        switch
            backlight ?
        ACC ?
```

[Modeling Variability 3]()