The battery is not rechargeable. To replace the battery:
Caution
When replacing the battery, do not touch any of the circuitry on the transmitter. Static from your body could damage the transmitter.
1. Press the button on the transmitter to extend the key.
2. Remove the battery cover by prying with a finger.
3. Remove the old battery.
4. Insert the new battery, positive side facing up. Replace with a CR2032 or equivalent battery.
5. Snap the battery cover back on to the transmitter.
Programming Transmitters to the Vehicle
Remote Vehicle StartFilling a Portable Fuel Container
Warning
Filling a portable fuel container while it is in the vehicle can cause fuel
vapors that can ignite either by static electricity or other means. You or others
could be badly burned and the vehicle could be damaged. Always:
. Use approved fuel containers.
. Remove the container from ...
Door Lock and Ignition Lock Folding Key Blade Removal and Installation
Special Tools
BO-51098 Flip Key Blade Fixture
For equivalent region tools, refer to Special Tools.
Caution: Failure to properly support the Remote Keyless Entry
(RKE) transmitter assembly while replacing the key blade may cause internal
damage to the transmitter assembly. ...
How to use remote keyless entry function
WARNING
In the Nissan Armada, radio frequency signals generated by the Intelligent
Key may interfere with certain medical devices.
Individuals using pacemakers or other electronic medical equipment should
consult the device manufacturer before using the Nissan Armada Intelligent Key.
...