See also:

Keys
1. Two Intelligent Keys 2. Mechanical keys (inside Intelligent Keys) 3. Key number plate ...

Troubleshooting guide
Verify the location of all Intelligent Keys that are programmed for the vehicle. If another Intelligent Key is in range or inside the vehicle, the vehicle system may respond differently than expect ...

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 ...