2003 Nissan Sentra Owner's Manual - Page 76

When the power door lock switch (driver or passenger side) is moved to the lock position with the key in the ignition and any door open, all doors will lock and then unlock automatically. WPD0109 WPD0110 Inside lock Driver's side LOCKING WITH INSIDE LOCK KNOB To lock the door without the key, move the inside 1 , then close the lock knob to the lock position ᭺ door. To unlock the door without the key, move the 2 . inside lock knob to the unlock position ᭺ LOCKING WITH POWER DOOR LOCK SWITCH (if so equipped) To lock all the doors without a key, push the door lock switch (driver or front passenger side), to the 1 , then close the door. When lock position ᭺ locking the door this way, be certain not to leave the key inside the vehicle. To unlock all the doors without a key, push the door lock switch (driver or front passenger side) 2 . to the unlock position ᭺ 3-4 Pre-driving checks and adjustments