2019 Lexus IS350

<h1>2019 Lexus IS350 Keyless Entry Remote Fob (Smart Key)</h1> Important: The 2019 Lexus IS350 does not support onboard programming for smart key remote fobs. Programming must be completed by a certified automotive technician using professional diagnostic tools. Step-by-Step Programming Instructions: <ul> <li>Step 1: Confirm that the replacement smart key fob is compatible with the 2019 Lexus IS350 and has not been previously programmed to another vehicle. </li> <li>Step 2: Schedule service with a technician who is certified in Lexus smart key systems and has access to factory-grade diagnostic equipment. </li> <li>Step 3: Ensure the technician uses secure, manufacturer-approved software that can access the vehicle’s key registration and immobilizer systems. </li> <li>Step 4: If your vehicle is drivable, consider taking it to the technician’s location to avoid additional charges associated with mobile service. </li> <li>Step 5: Bring all currently functional smart keys to the appointment. Some Lexus systems require all remotes to be present during programming to prevent existing keys from being deactivated. </li> <li>Step 6: The technician will connect a diagnostic tool to the vehicle’s onboard data port, typically located beneath the dashboard. </li> <li>Step 7: Using the diagnostic system, the technician will initiate the secure key registration process and program the new smart key into the vehicle’s onboard system. </li> <li>Step 8: After programming is complete, the technician will test all functions of the new smart key—including lock/unlock, trunk release, and push-button start—to ensure full functionality. </li> <li>Step 9: Additional smart keys can typically be programmed during the same session if needed. </li> <li>Step 10: Before service is concluded, verify that all programmed remotes are working correctly and that the vehicle responds properly to each.</li> </ul>

2019 Lexus IS350

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