2019 Lexus GS350

<h1>2019 Lexus GS350 – Keyless Entry Remote Fob Programming Instructions</h1> Note: The 2019 Lexus GS350 does not support onboard programming for smart key remote fobs. Programming requires specialized diagnostic equipment to interface with the vehicle’s electronic control systems. Step-by-Step Programming Instructions: <ul> <li>Step 1: Confirm that the replacement smart key remote fob is compatible with the 2019 Lexus GS350, including the correct part number, frequency, and FCC ID. </li> <li>Step 2: Ensure that the vehicle’s battery is fully charged and all doors, the trunk, and the hood are securely closed to prevent any interruptions during the programming process. </li> <li>Step 3: Connect a professional-grade diagnostic tool to the vehicle’s OBD-II port, located beneath the dashboard on the driver's side. This tool will communicate with the vehicle’s Body Control Module (BCM) and Smart Key ECU. </li> <li>Step 4: Use the diagnostic tool to access the Keyless Entry or Smart Key Programming section on the interface. </li> <li>Step 5: Follow the instructions provided by the diagnostic tool to program the new smart key remote fob. You may need to insert the original key or fob into the ignition or press specific buttons on the remote to confirm the programming. </li> <li>Step 6: If additional remotes need to be programmed, repeat the process for each remote during the same session to ensure all remotes are registered correctly. </li> <li>Step 7: After the programming is complete, follow the instructions on the diagnostic tool to exit the programming mode and disconnect the tool from the OBD-II port. </li> <li>Step 8: Test each newly programmed remote fob to ensure all functions, such as lock, unlock, trunk release, and engine start/stop, are functioning as expected.</li> </ul>

2019 Lexus GS350

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