2021 Lexus GX460

<h1>Programming Instructions for the 2021 Lexus GX460 Keyless Entry Remote Fob (Smart Key)</h1> Important: The 2021 Lexus GX460 does not support onboard programming for smart key remote fobs. Programming must be performed by a certified 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 2021 Lexus GX460 and has not been previously programmed to another vehicle. </li> <li>Step 2: Arrange service with an automotive technician who is certified to work on Lexus smart key systems and equipped with factory-grade diagnostic tools. </li> <li>Step 3: Ensure that the technician uses secure, manufacturer-level software capable of accessing the vehicle’s electronic key registration and immobilizer systems. </li> <li>Step 4: If the vehicle is drivable, consider transporting it to the technician’s location to minimize any additional mobile service costs. </li> <li>Step 5: Bring all current smart keys with you. Some Lexus systems require all remotes to be present during programming to maintain functionality. </li> <li>Step 6: The technician will connect a diagnostic device to the vehicle’s onboard data port, typically found under the dashboard, to access the smart key programming interface. </li> <li>Step 7: The technician will begin the key registration process, pairing the new smart key fob with the vehicle’s system.</li> <li> Step 8: Once programming is complete, the technician will test the new remote to ensure all functions—lock, unlock, trunk access, and push-to-start—are operating correctly. </li> <li>Step 9: If additional smart keys need to be programmed, they can typically be added during the same session. </li> <li>Step 10: Before finalizing the service, confirm that all programmed keys work properly and that the vehicle responds consistently to each.</li> </ul>

2021 Lexus GX460

Join our newsletter