2021 Lexus LC500h

<h1>2021 Lexus LC500h Keyless Entry Remote Fob (Smart Key)</h1> Important: The 2021 Lexus LC500h does not support onboard programming for smart key remote fobs. Programming must be performed by a certified automotive technician using specialized diagnostic tools. Step-by-Step Programming Instructions: <ul> <li>Step 1: Ensure the replacement smart key fob is compatible with the 2021 Lexus LC500h and has not been previously registered to another vehicle. </li> <li>Step 2: Schedule service with a technician who is certified in Lexus hybrid systems and equipped with manufacturer-level diagnostic tools.</li> <li> Step 3: Confirm that the technician uses secure, factory-approved software capable of accessing the vehicle’s immobilizer and key registration systems. </li> <li>Step 4: If the vehicle is drivable, consider bringing it to the technician’s service location to avoid additional charges associated with mobile programming. </li> <li>Step 5: Bring all functioning smart keys with you. Some Lexus systems require all remotes to be present during the session to ensure none are deactivated during programming. </li> <li>Step 6: The technician will connect a diagnostic tool to the vehicle’s onboard port, typically located beneath the dashboard on the driver’s side. </li> <li>Step 7: Using approved software, the technician will access the smart key registration interface and begin the process of securely pairing the new fob to the vehicle.</li> <li> Step 8: Once the key is registered, the technician will test all key functions—including lock, unlock, trunk release, and push-button start—to ensure proper operation. </li> <li>Step 9: If needed, additional smart keys can typically be programmed during the same session. </li> <li>Step 10: Before completing service, confirm that each programmed smart key functions correctly and that the vehicle responds properly to each remote.</li> </ul>

2021 Lexus LC500h

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