See also:

Replacing spark plugs
Replacing spark plugs If replacement is required, see a NISSAN dealer for servicing. Iridium-tipped spark plugs It is not necessary to replace the iridium-tipped spark plugs as frequently as ...

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 ...

Battery
If the battery is not fully charged during extremely cold weather conditions, the battery fluid may freeze and damage the battery. To maintain maximum efficiency, the battery should be checked ...