Lincoln Navigator door will lock but not unlock by swtich on the door
2004 Lincoln Navigator doors will lock with switch but not unlock with either door switch. Also, doors won't lock when you put the car into drive.
Cars & Trucks - Lincoln - Navigator - 2004 Lincoln Navigator 4x4
Answers & Comments
You need a new lock actuator inside the door. Go to the dealer and ask them, it is not too expensive...
Best regards,
Bill