<h1>2012 Lincoln Navigator – Remote Head Key Programming Instructions</h1> <p><font size="3"><b> System Type:</b> Remote Head Key Requirements: Two previously programmed keys and one new unprogrammed key </font></p> <p><font size="3"><b>Step-by-Step Instructions:</b> </font></p> <ul> <li><font size="3">Step 1: Insert the first previously programmed key and turn the ignition to ON for 3–10 seconds. Then switch it OFF and remove it. </font></li> <li><font size="3">Step 2: Within 10 seconds, insert the second programmed key and repeat the process: turn to ON for 3–10 seconds, then switch it OFF and remove it. </font></li> <li><font size="3">Step 3: Within 10 seconds, insert the new unprogrammed key and turn the ignition to ON for at least 6 seconds. </font></li> <li><font size="3">Step 4: Turn the ignition OFF and remove the key. </font></li> <li><font size="3">Step 5: If programming is successful, the new key will function for both starting the engine and remote entry. Repeat the steps if it fails.</font></li> </ul>
