See also:

NISSAN Intelligent Key™ (if so equipped)
Replace the battery in the Intelligent Key as follows. 1. Remove the mechanical key from the Intelligent Key. 2. Insert a small screwdriver A into the slit B of the corner and twist it to sepa ...

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 ...

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. ...