<h1>2016 Lexus GS200t – Keyless Entry Remote Fob Programming Instructions</h1> <p><font size="3"><b>Note:</b> The 2016 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 2016 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 all doors, trunk, and hood are securely closed to avoid interruptions during programming. </font></li> <li><font size="3">Step 3: Connect a professional diagnostic tool to the vehicle’s OBD-II port, located underneath the dashboard on the driver’s side. This tool should be capable of accessing 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 the Keyless Entry or Smart Key Programming section.</font></li> <li><font size="3"> Step 5: Follow the on-screen prompts to program the new smart key. You may be instructed to place the key fob near the start button or perform specific button presses for recognition. </font></li> <li><font size="3">Step 6: If programming multiple remote fobs, repeat the process for each additional unit during the same session to ensure all keys are stored correctly in the system. </font></li> <li><font size="3">Step 7: Once programming is complete, follow prompts on the diagnostic tool to exit programming mode. Disconnect the diagnostic equipment from the OBD-II port. </font></li> <li><font size="3">Step 8: Test each newly programmed remote fob to ensure proper operation, including lock, unlock, trunk release, and engine start/stop functions.</font></li> </ul>