Locate your USB serial link and note the COM number assigned to it.

A “new” VCDS Lite setup almost always includes a blue or black with a built-in switch. Let’s dissect this hardware.

Turn the vehicle's ignition key to the position (engine off, dashboard lights illuminated). Connect the USB end to the PC. Open VCDS-Lite and click the Options button. Select the specific COM port number assigned in Step 2.

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