See also:

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

Nissan vehicle immobilizer system
The NISSAN Vehicle Immobilizer system will not allow the engine to start without the use of the registered key. If the engine fails to start using a registered key (for example, when interferen ...

Air conditioner button (if so equipped)
Air conditioner button (if so equipped) The button is provided only on vehicles equipped with an air conditioner. Start the engine, turn the fan control dial to the desired position and push ...