Black plate (10,1)Cadillac DTS Owner Manual - 2011Rear Door Security LocksRear door security locks prevent passengers fromopening the rear doors from the inside.The rear door security locks are located on the insideedge of each rear door. The rear doors must be openedto access them.To assist in finding the lock, the vehicle has thefollowing:To use the lock:1. Insert the key into the security lock slot and turn itso the slot is in the horizontal position.2. Close the door.3. Do the same for the other rear door.To open a rear door when the security lock is on, do thefollowing:1. Unlock the door using the Remote Keyless Entry(RKE) transmitter, if the vehicle has one, the powerdoor lock switch, or by lifting the rear doormanual lock.2. Open the door from the outside.To cancel the rear door security lock:1. Unlock the door and open it from the outside.2. Insert the key into the security lock slot and turn itso the slot is in the vertical position.3. Do the same for the other rear door.Lockout ProtectionIf the key is in the ignition and the power door lockswitch is used to lock the doors, all doors will lockand then the driver door will unlock. It is alwaysrecommended that the ignition key is removed fromthe vehicle when locking the doors.The lockout protection feature can be overridden byholding the power door lock switch for three seconds orlonger.3-10