<h1>2017 Lexus GS200t – Keyless Entry Remote Fob Programming Instructions</h1> <p><font size="3"><b>Note:</b> The 2017 Lexus GS200t does not support onboard programming for smart key remote fobs. Programming requires the use of specialized diagnostic equipment capable of interfacing with the vehicle's electronic control modules. </font></p> <p><font size="3"><b>Step-by-Step Programming Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Confirm that the replacement smart key remote fob is compatible with the 2017 Lexus GS200t, including correct FCC ID, part number, and frequency. </font></li> <li><font size="3">Step 2: Ensure the vehicle's battery is fully charged and that all doors, the trunk, and the hood are securely closed to avoid interruptions during the programming process. </font></li> <li><font size="3">Step 3: Use a professional-grade diagnostic tool to connect to the vehicle’s OBD-II port, located beneath the dashboard on the driver's side. This tool will communicate with the Body Control Module (BCM) or Smart Key ECU. </font></li> <li><font size="3">Step 4: Navigate through the diagnostic tool’s interface to access the Keyless Entry or Smart Key Programming section. </font></li> <li><font size="3">Step 5: Follow the prompts on the diagnostic tool to program the new smart key. You may be prompted to press specific buttons on the remote or place it near the vehicle’s start button for recognition. </font></li> <li><font size="3">Step 6: If additional remotes need to be programmed, repeat the process for each unit during the same session to ensure they are all correctly registered with the vehicle. </font></li> <li><font size="3">Step 7: Once programming is complete, follow the diagnostic tool’s instructions to exit programming mode and disconnect the tool from the OBD-II port. </font></li> <li><font size="3">Step 8: Test each programmed remote fob to ensure proper functionality, including lock, unlock, trunk release, and engine start/stop operations.</font></li> </ul>
