See also:

NISSAN Intelligent Key™ battery discharge
If the battery of the Intelligent Key is almost discharged, the guide light A of the Intelligent Key port blinks and the indicator appears on the vehicle information display. See “Vehicle infor ...

Clearing the programmed information
Individual buttons cannot be cleared, however to clear all programming, push and hold the two outside buttons and release when the indicator light begins to flash (in approximately 20 seconds) ...

Battery
-Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. - Make certain the terminal connections are clean and securely tightened. - If the vehicle i ...