Genuine OEM Audi Start Stop Switch, part number 5K0959839BL88. This essential component controls the engine start and stop function, providing reliable ignition and shutdown. It is typically located on the dashboard or center console for easy access. The switch features a satin chrome (L88) finish, weighing approximately 0.023 kg. Opting for a genuine OEM switch ensures precise electrical contact and long-term durability, maintaining factory functionality and appearance.