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How to Solve KEYDIY KD-X4 VAG 5C 5D Function Login Reminder Error?
One customer gave feedback that he failed to add key to VAG 5C/5D, the following is his operation process:
1. Used USB cable to connect Keydiy KD-X4 key programmer and a computer
2. Installed KD App on WIN11
3. Updated KD-X4 firmware to the newest version
4. Selected immobilizer programming- Volkswagen-selected by type-5C/5D immobilizer [...]