<h1>2005 GMC Yukon – Remote Fob Programming Instructions</h1> <p><font size="3">This model supports onboard programming for keyless entry remotes. Follow the steps below to program one or more transmitters. </font></p> <p><font size="3"><b>Programming Procedure</b> </font></p> <ul> <li><font size="3">Step 1: Ensure that all vehicle doors are fully closed. </font></li> <li><font size="3">Step 2: Insert the ignition key, but do not start the engine. </font></li> <li><font size="3">Step 3: Press and hold the power UNLOCK button on the driver’s door panel. – Continue holding this button until Step 9. </font></li> <li><font size="3">Step 4: Perform the following steps quickly and in sequence: </font></li> <li><font size="3">Step 5: Turn the ignition to the ON position (without starting the engine). </font></li> <li><font size="3">Step 6: Turn the ignition OFF. </font></li> <li><font size="3">Step 7: Turn the ignition ON again. </font></li> <li><font size="3">Step 8: Turn the ignition OFF again. </font></li> <li><font size="3">Step 9: Release the UNLOCK button. – The door locks will lock and unlock, confirming that the vehicle has entered programming mode. </font></li> <li><font size="3">Step 10: On the first remote, press and hold both the LOCK and UNLOCK buttons simultaneously. – Hold until the door locks cycle, indicating successful programming. – This may take up to 30 seconds. </font></li> <li><font size="3">Step 11: Repeat Step 10 for each additional remote, including any existing remotes you want to retain. </font></li> <li><font size="3">Step 12: Turn the ignition to the ON position to exit programming mode. </font></li> <li><font size="3">Step 13: Test all remotes to ensure proper operation.</font></li> </ul>
