Genuine OEM Volkswagen Ignition Starter Switch, part number 5Q0905849A. This electrical component is responsible for initiating the engine starting sequence when the key or start button is activated. It forms a crucial link in the vehicle's ignition system, ensuring power is correctly supplied to the starter motor and other necessary circuits. Located within the steering column or dashboard assembly, this switch weighs 0.029 kg. Using a genuine OEM ignition switch guarantees precise electrical contacts, correct signal characteristics, and long-term reliability, preventing starting issues and maintaining vehicle security.