Start car an set wipers to auto, then splash some water to windshield, then it should work.
Remember you can set sensitivity om stilk, and remember to enable auto in HMI.
Do others have the experience that the LED becomes weaker with time (1 YEAR) or it may be the adaptive control in the lights that can not regulate properly, sometimes the light is brighter than other times.
Some customers have lost their 3-year factory warranty because unauthorized software was used, either for navigation or for HMI.
But take the chances you can afford