1999 Nissan Sentra Owner's Manual - Page 64
1999 Nissan Sentra Manual
Page 64 highlights
PD1160M APD1014 APD1043 To lock the door without the key, move the inside lock knob to the lock position, then close the door. When locking the door this way, be certain not to leave the key inside the vehicle. POWER DOOR LOCK (if so equipped) Move the door lock/unlock button, located on the driver's door armrest, toward the rear of the vehicle to lock all doors. Move the door lock/unlock button toward the front of the vehicle to unlock all doors. If your vehicle is equipped with the theft warning system, the power door lock system allows you to lock or unlock all doors simultaneously. Turning the front door key to the front of the vehicle locks all doors. Turning the front door key one time to the rear of the vehicle unlocks the corresponding door. From that position, returning the key to Neutral (where the key can only be removed and inserted) and turning it to the rear again within 5 seconds unlocks all doors. Pre-driving checks and adjustments 3-3