Replace the battery in the Intelligent Key as follows:
Recommended battery: CR2025 or equivalent.

See a NISSAN dealer if you need assistance for replacement.
FCC Notice: For USA: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Note:
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
For Canada: This device complies with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Keyfob (if so equipped)
LightsTrunk lid
Trunk lid assembly
Trunk lid assembly : exploded view
Trunk lid hinge LH/RH
Torsion bar LH/RH
Torsion bar clips
Trunk lid finisher (if equipped)
Emergency release handle
Emergency release handle clip
Emergency release handle cable
Trunk lid lock
Trunk lid bumpers
License lam ...
General Precaution
WARNING:
When replacing fuel line parts, be sure to observe the following.
Put a “CAUTION: FLAMMABLE” sign in the work area.
Be sure to work in a well ventilated area and have a CO2 fire
extinguisher.
Do not smoke while working on the fuel system. Keep open flames
and sparks ...
Using the system
The NISSAN Voice Recognition system allows
hands-free operation of the Bluetooth® Phone
System.
If the vehicle is in motion, some commands may
not be available so full attention may be given to
vehicle operation.
Initialization
When the ignition switch is placed in the ON
position, NISSAN ...