<h1>2011 Lexus GS450h Keyless Entry Remote Fob Smart Key Programming Instructions</h1> <p><font size="3"><b>Note:</b> The 2011 Lexus GS450h is not equipped with onboard programming capability for smart key remote fobs. Programming must be performed using professional diagnostic equipment. </font></p> <p><font size="3"><b>Steps:</b> </font></p> <ul> <li><font size="3">Step 1: Verify that the replacement smart key remote is compatible with the 2011 Lexus GS450h, including the correct FCC ID and part number. </font></li> <li><font size="3">Step 2: Ensure all vehicle doors, trunk, and hood are closed, and that the vehicle battery is fully charged. </font></li> <li><font size="3">Step 3: Connect a compatible diagnostic scan tool or key programming device to the vehicle’s OBD-II port, located under the dashboard on the driver’s side. </font></li> <li><font size="3">Step 4: Access the Smart Key Registration or Immobilizer Programming section in the tool’s menu. </font></li> <li><font size="3">Step 5: Follow the on-screen prompts to register the new smart key fob. This may involve selecting an “Add” or “Replace” option and confirming existing keys. </font></li> <li><font size="3">Step 6: If programming more than one remote, repeat the process for each unit before ending the session. </font></li> <li><font size="3">Step 7: Once programming is complete, disconnect the diagnostic device and test all functions of the remote, including locking, unlocking, trunk release, and start functionality.</font></li> </ul>
