Turn signal and click clack sound

Good evening on the one hand, after intensive SuFu use I could only find one contribution to my problem. There was exactly the description, however, the problem only appeared once. Therefore, no solution to it… The problem is that the little blinker lights in the cockpit no longer work and the click-knock noise no longer works either. The turn signals outside but work … Phaeton GP 1.5 Year of manufacture 2008 KM 166,000 Maybe someone has an idea what this is nn? I’d be grateful to you