See also:

Battery replacement
CAUTION: Be careful not to allow children to swallow the battery or removed parts. ...

NISSAN Intelligent Key™ With Door and Trunk
WARNING ● Radio waves could adversely affect electric medical equipment. Those who use a pacemaker should contact the electric medical equipment manufacturer for the possible influences bef ...

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 ...