<h1>2019 Lexus UX250h Keyless Entry Smart Key Remote Fob</h1> <p><font size="3"><b> Important:</b> The 2019 Lexus UX250h does not support onboard programming. A qualified professional must program the smart key remote fob 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: Locate a certified automotive technician or authorized dealer who is experienced with Lexus hybrid smart key systems and has the necessary diagnostic tools. </font></li> <li><font size="3">Step 2: If the vehicle is still operational, consider driving it to the technician’s service location. This may be more cost-effective than requesting mobile service. </font></li> <li><font size="3">Step 3: Schedule an appointment and confirm that the technician is familiar with the keyless entry system used in the 2019 UX250h. </font></li> <li><font size="3">Step 4: Bring all key fobs—both existing and new—to the appointment. Lexus systems often require that all remotes be programmed at the same time to ensure proper operation.</font></li> <li><font size="3"> Step 5: Once at the service location, the technician will connect specialized diagnostic equipment to the vehicle’s onboard system through the appropriate interface port. </font></li> <li><font size="3">Step 6: The technician will use the diagnostic tool to securely program the new smart key remote fob into the vehicle’s electronic control system. </font></li> <li><font size="3">Step 7: After programming, the technician will test the fob to ensure it functions correctly, including locking/unlocking doors and starting the engine.</font></li> <li><font size="3"> Step 8: If additional remotes are being programmed, each one will be added and tested individually to confirm proper synchronization. </font></li> <li><font size="3">Step 9: Before completing the service, verify that all key fobs work as expected. Request documentation of successful programming if available.</font></li> </ul>
