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.
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.
Never leave these keys in the vehicle.
FCC Notice:
For USA:
This device complies wit ...
Using the system
Initialization
When the ignition switch is pushed to the ON
position, NISSAN Voice Recognition is initialized,
which may take up to one minute. When
completed, the system is ready to accept voice
...
Keys
A key number plate is supplied with your keys.
Record the key number and keep it in a safe place (such as your wallet), not
in the vehicle. If you lose your keys, see a NISSAN dealer for duplicates ...