2023 Lexus IS350

<h1>2023 Lexus IS350 Keyless Entry Remote Fob (Smart Key)</h1> Important: The 2023 Lexus IS350 does not support onboard programming for smart key remote fobs. A certified automotive technician must perform the programming using specialized diagnostic equipment. Step-by-Step Programming Instructions: <ul> <li>Step 1: Verify that the new smart key fob is compatible with the 2023 Lexus IS350 and is not already programmed to another vehicle. </li> <li>Step 2: Schedule an appointment with a qualified technician who is trained in Lexus smart key systems and uses manufacturer-grade diagnostic tools. </li> <li>Step 3: Confirm the technician utilizes secure, factory-approved software that can access the vehicle’s immobilizer and electronic key registration system. </li> <li>Step 4: If your vehicle is drivable, consider taking it directly to the technician’s location to minimize any additional costs associated with mobile service. </li> <li>Step 5: Bring all current smart keys with you. Lexus systems may require that all existing remotes be present during the session to ensure none are accidentally deactivated. </li> <li>Step 6: The technician will connect a diagnostic tool to the vehicle’s onboard diagnostic port, typically located under the dashboard on the driver’s side. </li> <li>Step 7: Using secure diagnostic software, the technician will begin the key registration process and program the new smart key to the vehicle. </li> <li>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—to confirm successful operation. </li> <li>Step 9: If necessary, additional remotes can usually be programmed during the same session. </li> <li>Step 10: Before completing service, ensure that all programmed keys function properly and that the vehicle responds as expected to each one.</li> </ul>

2023 Lexus IS350

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