Removal and Installation

WARNING: This page is about a different car, the 2008 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.

Release the lock knob at the back of the Intelligent Key and remove the mechanical key.
Insert a flat-blade screwdriver (A) wrapped with a cloth into the slit of the corner and twist it to separate the upper part from the lower part.
CAUTION:
- Do not touch the circuit board or battery terminal.
- The key fob is water-resistant. However, if it does get wet, immediately wipe it dry.
  
  Fig 1: Inserting Flat-Blade Screwdriver Into Slit Of Corner
  Courtesy of NISSAN MOTOR CO., U.S.A.
Replace the battery with new one.
Battery replacement :Coin-type lithium battery (CR2025)
Align the tips of the upper and lower parts, and then push them together until it is securely closed.
CAUTION:
- When replacing battery, keep dirt, grease, and other foreign materials off the electrode contact area.
- After replacing the battery, check that all Intelligent Key functions work normally.
  
  Fig 2: Identifying Intelligent Key Battery
  Courtesy of NISSAN MOTOR CO., U.S.A.