2024 Lexus IS300

<h1>2024 Lexus IS300 Keyless Entry Remote Fob (Smart Key)</h1> Important: The 2024 Lexus IS300 does not support onboard programming for smart key remote fobs. Programming must be performed by a qualified automotive technician using specialized diagnostic equipment. Step-by-Step Programming Instructions: <ul> <li>Step 1: Verify that the replacement smart key fob is compatible with the 2024 Lexus IS300 and has not been previously programmed to another vehicle. </li> <li>Step 2: Schedule an appointment with a certified technician who specializes in Lexus smart key systems and is equipped with factory-level diagnostic tools. </li> <li>Step 3: Confirm that the technician uses secure software capable of accessing the vehicle’s electronic control unit and key registration system. </li> <li>Step 4: If the vehicle is drivable, consider transporting it to the technician’s location to reduce any additional fees for mobile service. </li> <li>Step 5: Bring all current smart keys to the appointment. Some Lexus systems require all remotes to be present during programming to avoid deactivation of existing keys. </li> <li>Step 6: The technician will connect a diagnostic interface to the vehicle’s onboard data port, typically located beneath the dashboard. </li> <li>Step 7: Using authorized software, the technician will initiate the secure pairing process to register the new smart key fob to the vehicle’s system. </li> <li>Step 8: After programming is complete, the technician will test all key functions—including locking, unlocking, trunk release, and push-to-start—to ensure the smart key operates as expected. </li> <li>Step 9: If needed, additional smart keys can typically be programmed in the same session using the same process. </li> <li>Step 10: Before finalizing service, confirm that all programmed smart keys are functioning properly and that the vehicle responds correctly to each.</li> </ul>

2024 Lexus IS300

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