<h1>Programming a Keyless Entry Remote for 2005 Navigator – Step-by-Step Guide</h1> <p><font size="3"><b>Important:</b> This guide explains how to program keyless entry remote fobs for the 2005 Lincoln Navigator. You must program all remotes during the same session; otherwise, any unprogrammed remotes will be erased. Make sure all remotes are prepared and ready before starting. Complete each step within the specified time limits. If any step fails, wait at least 10 seconds before restarting the process. Review all instructions before beginning. </font></p> <p><font size="3"><b>Remote Fob Programming Steps:</b> </font></p> <ul> <li><font size="3">Step 1: Ensure all doors are securely closed. </font></li> <li><font size="3">Step 2: Open the driver’s door and leave it open during the process. </font></li> <li><font size="3">Step 3: Press and hold the UNLOCK button on the driver’s door panel. </font></li> <li><font size="3">Step 4: Insert the key into the ignition while holding the unlock button. </font></li> <li><font size="3">Step 5: Turn the ignition from OFF to RUN (do not start the engine). </font></li> <li><font size="3">Step 6: Repeat the OFF to RUN cycle eight times within 10 seconds, ending with the key in the RUN position on the 8th turn. </font></li> <li><font size="3">Step 7: The door locks will cycle (lock and unlock) to confirm that the vehicle has entered programming mode. </font></li> <li><font size="3">Step 8: Release the unlock button. </font></li> <li><font size="3">Step 9: Within 20 seconds, press any button on the first remote fob. </font></li> <li><font size="3">Step 10: The door locks will cycle to confirm that the first remote has been successfully programmed. </font></li> <li><font size="3">Step 11: Within 20 seconds, press any button on the second remote fob, if applicable. </font></li> <li><font size="3">Step 12: The door locks will cycle again to confirm programming of the second remote. </font></li> <li><font size="3">Step 13: Repeat this for any additional remotes, up to the system’s capacity. </font></li> <li><font size="3">Step 14: Turn the ignition to the OFF position. </font></li> <li><font size="3">Step 15: The door locks will cycle one last time to signal the end of programming mode.</font></li> </ul>