This FAQ compiles common technical questions and answers from the Lonsdor K518 Pro support channels, covering vehicle compatibility, feature operation, troubleshooting, and device maintenance.
- Vehicle Support & Compatibility
 
Q: Does the K518 Pro support adding a key for a 2024 Nissan Qashqai?
A: It supports up to the 2023 model year. Support for the 2024 model is under development by Lonsdor.
Q: Does K518 Pro support key addition & all-lost key situations for a 2019 Renault Clio 4?
A: Yes, smart key functions are supported.
Q: Can K518 Pro perform an all-lost key procedure for a 2020 Volkswagen Tiguan?
A: Not if the key uses a 49 5C chip. This is currently unsupported.
Q: Is key addition supported for the 2022 Suzuki Across PHEV Hybrid?
A: This is currently under development.
Q: Does it support Mercedes key programming?
A: For Mercedes, it only supports key deactivation. Programming new keys is not supported.
Q: Can I copy a 2020 Land Rover smart key?
A: Yes. However, for base trims, direct copying works. For higher trims, the copied key will only have remote control and emergency start functions.
Q: Is adding a key for a 2025 Toyota Voxy supported?
A: Support is under development.
Q: Is adding a key for a 2020 Renault Trafic supported?
A: Yes, key addition is supported.
Q: Up to which model year does K518 Pro FCV support key programming for the Renault Clio V?
A: The latest menu supports 2019 and newer models. We cannot confirm the absolute latest year, but you can try for 2023/2024 models.
- Feature Operation & Troubleshooting
 
Q: Where is the “Immo&Remote” function on the K518 PRO?
A: It is on the main menu. If the menu is missing, a forced software update may be required.
Q: What should I do if I get an OBD cable self-test error?
A: Ensure the OBD cable is NOT connected to the vehicle during the test, and the main power adapter MUST be connected. Please refer to the official self-test video for guidance:
- Device Maintenance & Fault Handling
 
Q: My K518 Pro battery won’t charge, and the device won’t power on when unplugged. What should I do?
A: The battery is likely faulty. If under warranty, a replacement battery can be provided. Battery replacement steps are available upon request.
Q: What if the K518 device “scm Failed to install2”?
A: This may require internal repair or device replacement.
- Version & Upgrade Questions
 
Q: Can the K518 SE be upgraded to a K518 PRO?
A: No, the K518 PRO is a separate hardware device and must be purchased separately.











