I'd say anything more than 20 degrees and you have to let lose of your steering wheel to turn on the opposite indicator. Also doesn't work with the recommended

I'd say anything more than 20 degrees and you have to let lose of your steering wheel to turn on the opposite indicator. Also doesn't work with the recommended method for thurning the steering wheel here as it's designed to keep you hands at the 10/2 (or 9/3) hour positions. Unless you lock 180 degrees and not forget the buttons are reversed.