Moin. Recently the problems with the Stinger are increasing. The following occurs more and more. When the engine starts the Stinger automatically opens the flap and closes it again after a good second. This also works perfectly. By pressing the button, the flap should open at about 70kmh, which however it does not do. Even with the use of the remote control (of course only for test purposes on closed private premises) the lamp starts to blink, ever Sometimes it works again after a few minutes of driving, sometimes it doesn’t open even after an hour. Again in other cases the problem doesn’t occur at all. Before I go back to the workshop and need another week to find a problem, I hope that one of you might have an idea what it can be. Thanks in advance.