1995 Cadillac Eldorado Owner's Manual - Page 75

There areseveral ways to lock and unlock your vehicle: From the outside, use your door key. If your vehicle has the optional Theft DetcrrentSystem and it is armed, unlock the doorsonly with the key or Keyless Entry System. This will avoid setting off the alarm. To lock the door from the inside, slide the lock lever down. To unlock the door, slide the lock lever up. 2-4