I tried to create a task where when I started "Car Mode", I would also light permanently the notification led in Blue color, so when driving I can check quickly if car mode is on and turn it off when car mode is off.
In Android 6.0 the action "Alert, Set Light" shows the detected available notification leds and I can use the action successfully, but in Android 8.1 (my new smartphone) the action was disabled, so I updated to the last tasker version and tried again. The option became available, but there was no notification leds detected, so I could