<h1>2015 Lexus LS600hl Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important:</b> The 2015 Lexus LS600hl does not support onboard programming for smart key remote fobs. Programming must be performed by a qualified technician using specialized diagnostic tools. </font></p> <p><font size="3"><b>Step-by-Step Programming Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Verify that the replacement smart key fob is compatible with the 2015 Lexus LS600hl and has not been previously programmed to another vehicle. </font></li> <li><font size="3">Step 2: Schedule an appointment with a certified technician who is experienced with Lexus key systems and has access to the necessary diagnostic equipment.</font></li> <li><font size="3"> Step 3: Ensure the technician uses secure, manufacturer-approved software capable of interfacing with the vehicle’s key registration and electronic control system. </font></li> <li><font size="3">Step 4: If the vehicle is operational, it may save you money by driving it directly to the technician’s location rather than opting for mobile programming. </font></li> <li><font size="3">Step 5: Bring all existing smart keys to the appointment. Some Lexus systems require that all remotes be present during programming 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 diagnostic port, which is typically located beneath the dashboard.</font></li> <li><font size="3"> Step 7: Using authorized diagnostic software, the technician will initiate the key registration process and program the new smart key fob to the vehicle’s system. </font></li> <li><font size="3">Step 8: After programming is complete, the technician will test all key functions, including lock/unlock, 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 completing the service, verify that all programmed smart keys are functioning properly and that the vehicle responds as expected to each key.</font></li> </ul>