How to Add a 2023 Toyota Yaris Smart Key with Lonsdor K518 Pro?

This guide explains how to program a new smart key for a 2023 Toyota Yaris using the Lonsdor K518PRO. The process involves detecting existing keys, programming a new key, and testing all functions.

Tools Required:

Lonsdor K518PRO Key Programmer

OBD cable

Original key

New smart key

Step-by-Step Instructions:

1. Connect Device:

Plug the OBD cable into the vehicle's diagnostic port.

2. Select Vehicle:

Turn on the K518PRO and select "Immo& Remote→Toyota→ Select from vehicle →Yaris→2021- →Smart Key→ PEPS(CAN)"

3. Detect Existing Keys:

Select "Key count", follow on-screen prompts to place the original key near the ignition:

Open the driver's door and turn the ignition ON.

The device will detect the original key.

4. Add New Key:

Select "Add Smart Key" on the device.

Keep the door open and ignition ON.

When prompted, hold the original key to the immobilizer coil until you hear two beeps.

Then place the new key near the coil until you hear three beeps.

5. Confirm Programming:

Select "Key count" again. Both keys should now show as recognized.

6. Test Functions:

Remote Test: Use both keys to lock/unlock doors remotely.

Smart Function Test: Leave one key inside, take the other outside, and start the ignition.

Ignition Test: Start the vehicle with the new key.

Result:

Both keys should operate all remote, smart, and ignition functions normally.

Notes:

Ensure the vehicle battery is stable during programming.

This procedure is confirmed for the 2023 Toyota Yaris.

Keep original keys accessible throughout the process.

www.obd2shop.co.uk

Lonsdor K518 PRO Adds 2020+ Hyundai Elantra Smart Key Success

This guide provides clear step-by-step instructions on how to program a smart key for a 2020 Hyundai Elantra using the Lonsdor K518 PRO tool.

Required Equipment

Lonsdor K518 PRO Key Programmer

OBD communication cable

One original car key

A new Lonsdor smart key

Step-by-Step Programming Instructions

1. Generate New Key

① Connect & Select Vehicle, plug the OBD cable into the vehicle.

② On the K518 PRO, go to:Generation Smart → HYUNDAI → Elantra → Elantra (2020-) ID47

③ Insert the new smart key into the card slot.

④ Tap "Generate" and wait for success.

2. Program Smart Key

① Return to the main menu and select:Immo & Remote → HYUNDAI → Select from Vehicle → China → Elantra 7 → 2020- → Program Smart Key

② Ensure Wi-Fi is connected. Turn the ignition OFF. Open and close the driver's door once.

③ The PIN cannot be read directly—obtain it from a verified source. Enter PIN: 855419 (example used in guide).

④ Within 5 seconds, hold the smart key head against the start button until the immobilizer light turns on. Confirm programming when prompted.

⑤ Follow the same steps for each additional key. All keys must be programmed to start the vehicle.

3. Complete Process

Press Cancel when finished. The tool will display the number of keys successfully programmed.

Verification

1. Test all programmed keys to ensure they start the vehicle.

2. Confirm remote functions operate normally.

Important Notes

Incorrect PIN entry 3 times will lock the function.

Always program all keys in one session.

Keep the original key accessible during the process.

This guide is intended for professional automotive locksmiths and technicians. Always follow vehicle-specific procedures and use secure PIN sources.

www.obd2shop.co.uk