See also:

Fuses
Two types of fuses are used. Type (A) is used in the fuse boxes in the engine compartment. Type (B)- is used in the passenger compartment fuse box. Type A fuses are provided as spare fuses. ...

Clearing the programmed information
Individual buttons cannot be cleared. However, to clear all programming, press and hold the two outside buttons and release when the indicator light begins to flash (approximately 20 seconds). ...

Never leave these keys in the vehicle.
As many as 4 Intelligent Keys can be registered and used with one vehicle. The new keys must be registered by a NISSAN dealer prior to use with the Intelligent Key and NISSAN Vehicle Immobilizer ...