The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle.
Manual Safety Locks

If equipped, the safety lock is located on the inside edge of the rear doors. To use the safety lock:
1. Insert the key into the safety lock slot and turn it so 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 safety lock is on:
1. Unlock the door by lifting the rear door lock, using the power door lock switch, or with the Remote Keyless Entry (RKE) transmitter.
2. Open the door from the outside.
To cancel the safety lock:
1. Unlock the door and open it from the outside.
2. Insert the key into the safety lock slot and turn it so the slot is in the vertical position.
3. Do the same for the other rear door.
Lockout Protection
DoorsAir Conditioning Refrigerant Service Valve Core Replacement
Special Tools
GE-39400-A Halogen Leak Detector
GE-46246 Valve Core Removal Tool
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
Remove the service port valve cor ...
Automatic Transmission Flex Plate Installation
Special Tools
EN-652 Automatic Transmission Flex Plate Holder
For equivalent regional tools, refer to Special Tools.
Clean the automatic transmission flex plate bolt threads.
Install the automatic transmission flex plate (2) and
the EN-652 holder to hold the automatic tran ...
Brakes
Basic information
If the braking performance of your Nissan Armada becomes inconsistent or reduced,
have the system inspected immediately. Professional service is strongly recommended
to maintain safety and reliability.
Self-adjusting brakes
Your Nissan Armada is equipped with self-adjusting ...