<h1>2009 Lexus LS600hl Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important:</b> The 2009 Lexus LS600hl does not support onboard programming for smart key remote fobs. Programming must be performed by a certified automotive technician using specialized diagnostic equipment. </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 fob is compatible with the 2009 Lexus LS600hl and has not been previously registered to another vehicle. </font></li> <li><font size="3">Step 2: Schedule service with a certified technician who is experienced in Lexus key systems and has access to the necessary diagnostic tools. </font></li> <li><font size="3">Step 3: Ensure that the technician uses secure, manufacturer-approved software capable of accessing the vehicle’s key registration system and electronic control unit. </font></li> <li><font size="3">Step 4: If the vehicle is drivable, it may save you money by driving it to the technician’s location instead of requesting mobile services. </font></li> <li><font size="3">Step 5: Bring all existing smart keys to the appointment. Lexus systems often require that all remotes be present during the programming session to ensure they remain active. </font></li> <li><font size="3">Step 6: The technician will connect a diagnostic tool to the vehicle’s onboard data port, typically located beneath the dashboard on the driver’s side. </font></li> <li><font size="3">Step 7: Using the appropriate software, the technician will begin the programming process to securely pair the new smart key fob with the vehicle’s system. </font></li> <li><font size="3">Step 8: After programming is complete, the technician will test all key functions—including locking, unlocking, trunk release, and push-button start—to ensure proper operation. </font></li> <li><font size="3">Step 9: If additional remotes need to be programmed, they can typically be done during the same session. </font></li> <li><font size="3">Step 10: Before concluding the service, confirm that all programmed smart keys are functioning correctly and that the vehicle responds to each key as expected.</font></li> </ul>