2021 Lexus LC500

<h1>2021 Lexus LC500 Keyless Entry Remote Fob (Smart Key)</h1> Important: The 2021 Lexus LC500 does not support onboard programming for smart key remote fobs. All programming must be performed by a certified automotive technician using specialized diagnostic equipment. Step-by-Step Programming Instructions: <ul> <li>Step 1: Confirm that the new smart key fob is compatible with the 2021 Lexus LC500 and has not been previously programmed to another vehicle. </li> <li>Step 2: Schedule service with a certified technician who has experience working with Lexus smart key systems and is equipped with factory-grade diagnostic tools. </li> <li>Step 3: Ensure the technician uses secure, manufacturer-approved software capable of accessing the vehicle’s electronic control unit and key registration system.</li> <li> Step 4: If the vehicle is operational, consider driving it to the service location to avoid additional charges related to mobile programming service. </li> <li>Step 5: Bring all functioning smart keys to the appointment. Some Lexus systems require all remotes to be present during programming to ensure none are deactivated. </li> <li>Step 6: The technician will connect a diagnostic interface to the onboard port, typically located beneath the dashboard. </li> <li>Step 7: Using secure software, the technician will initiate the key registration process and program the new smart key fob to the vehicle’s system. </li> <li>Step 8: After the programming is complete, the technician will test the new key fob to ensure all functions work properly, including locking, unlocking, trunk access, and push-button start. </li> <li>Step 9: Additional smart key fobs can typically be programmed during the same session if needed. </li> <li>Step 10: Before the service is finalized, verify that all programmed smart keys operate correctly and that the vehicle responds accurately to each.</li> </ul>

2021 Lexus LC500

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