See also:

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

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) ...

Fuel-filler door
...