Econoline E450 V8-5.4L SOHC VIN L (1998)
Key Reminder Switch: Description and Operation
The key-in-ignition warning chime/buzzer will sound continuously when the ignition key is in the ignition switch lock cylinder with the key OFF and the
driver door open. The chime/buzzer will continue to sound until the key is removed from the ignition switch lock cylinder or the driver door is closed.