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)
LightsIncreasing fuel economy
Keep your engine tuned up.
Follow the recommended scheduled maintenance.
Keep the tires inflated to the correct pressure.
Low tire pressure increases tire wear
and lowers fuel economy.
Keep the wheels in correct alignment. Improper
alignment increases tire wear and
lowers fuel eco ...
Power supply and ground circuit
Combination meter
Combination meter : diagnosis procedure
Regarding Wiring Diagram information, refer to MWI-28, "Wiring Diagram".
1.Check fuses
Check that the following fuses are not blown.
Is the fuse blown?
YES >> Replace the blown fuse after repairing the affected circu ...
Wiring diagram
Navigation without bose
Wiring diagram
...