<h1>2023 Lexus RX500h Keyless Entry Smart Key Remote Fob</h1> <p><font size="3"><b> Important:</b> The 2023 Lexus RX500h is not equipped with onboard programming capability. Programming a smart key remote fob requires a qualified professional 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: Locate a certified automotive technician or authorized dealer who is experienced in working with Lexus hybrid smart key systems and has the proper diagnostic equipment.</font></li> <li><font size="3"> Step 2: If the vehicle is operational, consider driving it to the technician’s service location. This may be more cost-effective than requesting a mobile programming visit. </font></li> <li><font size="3">Step 3: Schedule a programming appointment and confirm that the technician is familiar with the specific keyless entry system used in the 2023 RX500h. </font></li> <li><font size="3">Step 4: Bring all key fobs (new and existing) to the appointment. Lexus systems often require that all remotes be programmed together to ensure continued functionality. </font></li> <li><font size="3">Step 5: Once at the service location, the technician will connect specialized diagnostic equipment to your vehicle’s onboard port to access the key registration system. </font></li> <li><font size="3">Step 6: The technician will use the equipment to securely program the new smart key remote fob into the vehicle’s system following manufacturer protocols. </font></li> <li><font size="3">Step 7: After the fob has been programmed, the technician will test it to confirm that it functions properly, including locking/unlocking the doors and starting the vehicle. </font></li> <li><font size="3">Step 8: If additional fobs are being added, each one will be individually programmed and tested to ensure full compatibility with the vehicle. </font></li> <li><font size="3">Step 9: Before completing the service, verify that all key fobs are operating correctly. If available, request documentation confirming successful programming for your records.</font></li> </ul>