Programming an Intelligent Access Key for 2021 Lincoln Nautilus
Important: This procedure allows you to program a spare Intelligent Access key for a 2021 Nautilus equipped with push-button start. You must have two previously programmed keys and one new, unprogrammed key available. The system will not allow manual programming unless two working keys are present. Ensure the vehicle is turned off and all doors are completely closed. Perform each step in sequence and follow all wait times exactly. If the programming fails, wait 10 seconds before restarting. Read all instructions in full before beginning the procedure.
Intelligent Access Key Programming Steps:
- Step 1: Verify the vehicle is off and that all doors are closed.
- Step 2: Open the center console lid to access the backup key slot.
- Step 3: Place the first programmed key into the backup slot inside the console. The key should be placed with the buttons facing up and the unlock button pointing toward the front of the vehicle.
- Step 4: Press the ignition button once (do not press the brake pedal).
- Step 5: Wait 5 seconds.
- Step 6: Press the ignition button again to power off the system.
- Step 7: Remove the first key from the backup slot.
- Step 8: Within 10 seconds, place the second programmed key into the backup slot in the same orientation.
- Step 9: Press the ignition button once.
- Step 10: Wait 5 seconds.
- Step 11: Press the ignition button again to shut off the system.
- Step 12: Remove the second key from the slot.
- Step 13: Wait 5 seconds, then place the new, unprogrammed key into the backup slot.
- Step 14: Press the ignition button once. The system will attempt to program the new key automatically.
- Step 15: Watch the instrument cluster for a confirmation message indicating the new key has been successfully programmed.
- Step 16: Remove the new key and test it by using the remote lock/unlock buttons and starting the vehicle.
- Step 17: If programming fails, wait 10 seconds, then repeat steps 1 through 16.