See also:

Freeing a frozen door lock
To prevent a door lock from freezing, apply deicer through the key hole. If the lock becomes frozen, heat the key before inserting it into the key hole or use the remote keyless entry keyfob. ...

Clutch fluid (if so equipped)
Check the clutch fluid level in the reservoir (manual transmissions only). Add Genuine NISSAN Super Heavy Duty Brake Fluid or equivalent DOT 3 fluid up to the MAX line A . If fluid must be a ...

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 ...