Genuine OEM Audi Automatic Gearbox Multi-Function Switch, part number 01L919821B. This electrical switch is a critical component for controlling various functions of the automatic gearbox. It is installed within or on the transmission assembly. Weighing approximately 0.24 kg with dimensions of 59.5 cm length, 10.5 cm width, and 4 cm height. Choosing a genuine OEM multi-function switch ensures correct electrical signaling, precise gear engagement, and long-term reliability for smooth transmission performance.