Feature Customization - Automatic Door Lock - Locking Control Modes
^ Last door closed locking enabled (modes 3 and 4): When pressing LOCK on either door lock switch with the ignition switch in the LOCK position, this mode locks all doors five seconds after closing all vehicle doors.^ Lockout prevention enabled (modes 2 and 4): When pressing LOCK on either door lock switch with the key in the ignition cylinder and the driver's door is open, the BCM does not lock the doors.