See also:

Warning/indicator lights and audible reminders
Warning/indicator lights and audible reminders ...

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 the registered key, it may be due to interfere ...

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. ...