Genuine OEM Audi Bonnet Lid Lock Micro Switch, part number 4KE823509. This electrical sensor is crucial for detecting whether the vehicle's bonnet (hood) lid is open or securely closed. It is positioned at the front, integrated with the bonnet latch mechanism. The switch weighs 0.331 kg and measures 0.13m x 0.11m x 0.035m. Opting for a genuine OEM micro switch ensures accurate signal transmission to the vehicle's control unit, preventing false warnings and maintaining the integrity of the vehicle's security system and safety features.