<h1>2016 Lexus IS350 Keyless Entry Remote Fob (Smart Key)</h1> <p><font size="3"><b>Important:</b> The 2016 Lexus IS350 does not offer onboard programming for smart key remote fobs. Programming must be performed by a certified automotive technician using professional diagnostic tools. </font></p> <p><font size="3"><b>Step-by-Step Programming Instructions:</b> </font></p> <ul> <li> <p><font size="3">Step 1: Verify that the replacement smart key fob is compatible with the 2016 Lexus IS350 and is not already programmed to another vehicle. </font></p> </li> <li> <p><font size="3">Step 2: Arrange service with a certified technician who has experience working with Lexus smart key systems and uses factory-level diagnostic equipment. </font></p> </li> <li> <p><font size="3">Step 3: Ensure that the technician uses secure, manufacturer-approved software capable of accessing the vehicle’s key registration and immobilizer systems. </font></p> </li> <li> <p><font size="3">Step 4: If your vehicle is in drivable condition, consider bringing it to the technician’s location to reduce any additional mobile service costs. </font></p> </li> <li> <p><font size="3">Step 5: Bring all currently functional smart keys. Some Lexus systems require all remotes to be present during the programming process to ensure they remain active. </font></p> </li> <li> <p><font size="3">Step 6: The technician will connect a diagnostic interface to the vehicle’s onboard data port, typically located beneath the dashboard on the driver’s side. </font></p> </li> <li> <p><font size="3">Step 7: Using authorized software, the technician will initiate the pairing process and securely register the new smart key with the vehicle’s control system. </font></p> </li> <li> <p><font size="3">Step 8: Once programming is complete, the technician will test all functions of the smart key, including lock/unlock, trunk release, and push-button start.</font></p> </li> <li> <p><font size="3"> Step 9: If additional remotes need to be added, they can usually be programmed during the same session. </font></p> </li> <li> <p><font size="3">Step 10: Before concluding service, verify that all programmed keys function properly and that the vehicle responds correctly to each remote.</font></p> </li> </ul>